Home / 398,581,567.20-597,872,350.80-268,484,810.40

Finding the Fourth Proportional to 398,581,567.20, 597,872,350.80 and 268,484,810.40

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Solution

The fourth proportional to 398,581,567.20, 597,872,350.80 and 268,484,810.40 is: 402,727,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,581,567.20 : 597,872,350.80 = 268,484,810.40 : x
  2. Step 2: Convert to fraction form
    398,581,567.20/597,872,350.80 = 268,484,810.40/x
  3. Step 3: Cross multiply
    398,581,567.20x = 597,872,350.80 × 268,484,810.40
  4. Step 4: Simplify right side
    398,581,567.20x = 160,519,644,747,940,256
  5. Step 5: Solve for x
    x = 160,519,644,747,940,256/398,581,567.20
  6. Step 6: Final answer
    x = 402,727,215.60

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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.