Home / 502,002,779.28-750,692,558.46-477,513,978

Finding the Fourth Proportional to 502,002,779.28, 750,692,558.46 and 477,513,978

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Solution

The fourth proportional to 502,002,779.28, 750,692,558.46 and 477,513,978 is: 714,072,121.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,002,779.28 : 750,692,558.46 = 477,513,978 : x
  2. Step 2: Convert to fraction form
    502,002,779.28/750,692,558.46 = 477,513,978/x
  3. Step 3: Cross multiply
    502,002,779.28x = 750,692,558.46 × 477,513,978
  4. Step 4: Simplify right side
    502,002,779.28x = 358,466,189,845,232,192
  5. Step 5: Solve for x
    x = 358,466,189,845,232,192/502,002,779.28
  6. Step 6: Final answer
    x = 714,072,121.99

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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.