Home / 383,834,356.30-574,617,793.65-254,587,905.10

Finding the Fourth Proportional to 383,834,356.30, 574,617,793.65 and 254,587,905.10

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Solution

The fourth proportional to 383,834,356.30, 574,617,793.65 and 254,587,905.10 is: 381,129,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,834,356.30 : 574,617,793.65 = 254,587,905.10 : x
  2. Step 2: Convert to fraction form
    383,834,356.30/574,617,793.65 = 254,587,905.10/x
  3. Step 3: Cross multiply
    383,834,356.30x = 574,617,793.65 × 254,587,905.10
  4. Step 4: Simplify right side
    383,834,356.30x = 146,290,740,318,537,568
  5. Step 5: Solve for x
    x = 146,290,740,318,537,568/383,834,356.30
  6. Step 6: Final answer
    x = 381,129,875.21

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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.