Home / 1,259,721,094.70-1,889,581,642.05-532,709,806.70

Finding the Fourth Proportional to 1,259,721,094.70, 1,889,581,642.05 and 532,709,806.70

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Solution

The fourth proportional to 1,259,721,094.70, 1,889,581,642.05 and 532,709,806.70 is: 799,064,710.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,721,094.70 : 1,889,581,642.05 = 532,709,806.70 : x
  2. Step 2: Convert to fraction form
    1,259,721,094.70/1,889,581,642.05 = 532,709,806.70/x
  3. Step 3: Cross multiply
    1,259,721,094.70x = 1,889,581,642.05 × 532,709,806.70
  4. Step 4: Simplify right side
    1,259,721,094.70x = 1,006,598,671,280,324,096
  5. Step 5: Solve for x
    x = 1,006,598,671,280,324,096/1,259,721,094.70
  6. Step 6: Final answer
    x = 799,064,710.05

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Half scale
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Double scale
Find fourth proportional to 1,259,721,095.70, 1,889,581,643.55 and 532,709,807.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.