Home / 503,551,299.38-694,922,239.14-280,532,854.76

Finding the Fourth Proportional to 503,551,299.38, 694,922,239.14 and 280,532,854.76

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Solution

The fourth proportional to 503,551,299.38, 694,922,239.14 and 280,532,854.76 is: 387,147,287.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,551,299.38 : 694,922,239.14 = 280,532,854.76 : x
  2. Step 2: Convert to fraction form
    503,551,299.38/694,922,239.14 = 280,532,854.76/x
  3. Step 3: Cross multiply
    503,551,299.38x = 694,922,239.14 × 280,532,854.76
  4. Step 4: Simplify right side
    503,551,299.38x = 194,948,519,582,155,584
  5. Step 5: Solve for x
    x = 194,948,519,582,155,584/503,551,299.38
  6. Step 6: Final answer
    x = 387,147,287.32

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Double scale
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1.5x scale

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.