Home / 431,693,062.76-647,220,466.78-224,133,465.96

Finding the Fourth Proportional to 431,693,062.76, 647,220,466.78 and 224,133,465.96

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Solution

The fourth proportional to 431,693,062.76, 647,220,466.78 and 224,133,465.96 is: 336,034,509.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,693,062.76 : 647,220,466.78 = 224,133,465.96 : x
  2. Step 2: Convert to fraction form
    431,693,062.76/647,220,466.78 = 224,133,465.96/x
  3. Step 3: Cross multiply
    431,693,062.76x = 647,220,466.78 × 224,133,465.96
  4. Step 4: Simplify right side
    431,693,062.76x = 145,063,766,459,650,432
  5. Step 5: Solve for x
    x = 145,063,766,459,650,432/431,693,062.76
  6. Step 6: Final answer
    x = 336,034,509.18

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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.