Home / 298,701,655.20-447,521,641.20-256,234,327.20

Finding the Fourth Proportional to 298,701,655.20, 447,521,641.20 and 256,234,327.20

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Solution

The fourth proportional to 298,701,655.20, 447,521,641.20 and 256,234,327.20 is: 383,896,120.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,701,655.20 : 447,521,641.20 = 256,234,327.20 : x
  2. Step 2: Convert to fraction form
    298,701,655.20/447,521,641.20 = 256,234,327.20/x
  3. Step 3: Cross multiply
    298,701,655.20x = 447,521,641.20 × 256,234,327.20
  4. Step 4: Simplify right side
    298,701,655.20x = 114,670,406,640,321,792
  5. Step 5: Solve for x
    x = 114,670,406,640,321,792/298,701,655.20
  6. Step 6: Final answer
    x = 383,896,120.57

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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.