Home / 382,142,497.20-572,363,440.20-314,118,049.20

Finding the Fourth Proportional to 382,142,497.20, 572,363,440.20 and 314,118,049.20

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Solution

The fourth proportional to 382,142,497.20, 572,363,440.20 and 314,118,049.20 is: 470,478,129.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,142,497.20 : 572,363,440.20 = 314,118,049.20 : x
  2. Step 2: Convert to fraction form
    382,142,497.20/572,363,440.20 = 314,118,049.20/x
  3. Step 3: Cross multiply
    382,142,497.20x = 572,363,440.20 × 314,118,049.20
  4. Step 4: Simplify right side
    382,142,497.20x = 179,789,687,269,024,864
  5. Step 5: Solve for x
    x = 179,789,687,269,024,864/382,142,497.20
  6. Step 6: Final answer
    x = 470,478,129.46

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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.