Home / 1,309,210,561,559.40-1,806,448,543,094.50-731,058,123,068.70

Finding the Fourth Proportional to 1,309,210,561,559.40, 1,806,448,543,094.50 and 731,058,123,068.70

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Solution

The fourth proportional to 1,309,210,561,559.40, 1,806,448,543,094.50 and 731,058,123,068.70 is: 1,008,713,892,257.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,210,561,559.40 : 1,806,448,543,094.50 = 731,058,123,068.70 : x
  2. Step 2: Convert to fraction form
    1,309,210,561,559.40/1,806,448,543,094.50 = 731,058,123,068.70/x
  3. Step 3: Cross multiply
    1,309,210,561,559.40x = 1,806,448,543,094.50 × 731,058,123,068.70
  4. Step 4: Simplify right side
    1,309,210,561,559.40x = 1,320,618,881,334,852,838,227,968
  5. Step 5: Solve for x
    x = 1,320,618,881,334,852,838,227,968/1,309,210,561,559.40
  6. Step 6: Final answer
    x = 1,008,713,892,257.23

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Double scale
Find fourth proportional to 1,309,210,561,560.40, 1,806,448,543,095.88 and 731,058,123,069.70
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.