Home / 437,644,411.20-656,466,616.80-255,797,985.60

Finding the Fourth Proportional to 437,644,411.20, 656,466,616.80 and 255,797,985.60

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Solution

The fourth proportional to 437,644,411.20, 656,466,616.80 and 255,797,985.60 is: 383,696,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,644,411.20 : 656,466,616.80 = 255,797,985.60 : x
  2. Step 2: Convert to fraction form
    437,644,411.20/656,466,616.80 = 255,797,985.60/x
  3. Step 3: Cross multiply
    437,644,411.20x = 656,466,616.80 × 255,797,985.60
  4. Step 4: Simplify right side
    437,644,411.20x = 167,922,838,191,087,104
  5. Step 5: Solve for x
    x = 167,922,838,191,087,104/437,644,411.20
  6. Step 6: Final answer
    x = 383,696,978.40

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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.