Home / 701,209,046.64-967,688,988.12-383,688,355.44

Finding the Fourth Proportional to 701,209,046.64, 967,688,988.12 and 383,688,355.44

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Solution

The fourth proportional to 701,209,046.64, 967,688,988.12 and 383,688,355.44 is: 529,501,149.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,209,046.64 : 967,688,988.12 = 383,688,355.44 : x
  2. Step 2: Convert to fraction form
    701,209,046.64/967,688,988.12 = 383,688,355.44/x
  3. Step 3: Cross multiply
    701,209,046.64x = 967,688,988.12 × 383,688,355.44
  4. Step 4: Simplify right side
    701,209,046.64x = 371,290,996,429,160,512
  5. Step 5: Solve for x
    x = 371,290,996,429,160,512/701,209,046.64
  6. Step 6: Final answer
    x = 529,501,149.78

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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.