Home / 1,309,210,561,550.40-1,806,448,543,082.10-731,058,123,059.72

Finding the Fourth Proportional to 1,309,210,561,550.40, 1,806,448,543,082.10 and 731,058,123,059.72

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Solution

The fourth proportional to 1,309,210,561,550.40, 1,806,448,543,082.10 and 731,058,123,059.72 is: 1,008,713,892,244.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,210,561,550.40 : 1,806,448,543,082.10 = 731,058,123,059.72 : x
  2. Step 2: Convert to fraction form
    1,309,210,561,550.40/1,806,448,543,082.10 = 731,058,123,059.72/x
  3. Step 3: Cross multiply
    1,309,210,561,550.40x = 1,806,448,543,082.10 × 731,058,123,059.72
  4. Step 4: Simplify right side
    1,309,210,561,550.40x = 1,320,618,881,309,565,681,401,856
  5. Step 5: Solve for x
    x = 1,320,618,881,309,565,681,401,856/1,309,210,561,550.40
  6. Step 6: Final answer
    x = 1,008,713,892,244.85

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Double scale
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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.