Home / 510,557,439.12-704,588,059.28-284,516,735.40

Finding the Fourth Proportional to 510,557,439.12, 704,588,059.28 and 284,516,735.40

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Solution

The fourth proportional to 510,557,439.12, 704,588,059.28 and 284,516,735.40 is: 392,643,567.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,557,439.12 : 704,588,059.28 = 284,516,735.40 : x
  2. Step 2: Convert to fraction form
    510,557,439.12/704,588,059.28 = 284,516,735.40/x
  3. Step 3: Cross multiply
    510,557,439.12x = 704,588,059.28 × 284,516,735.40
  4. Step 4: Simplify right side
    510,557,439.12x = 200,467,094,428,167,264
  5. Step 5: Solve for x
    x = 200,467,094,428,167,264/510,557,439.12
  6. Step 6: Final answer
    x = 392,643,567.73

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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.