Home / 382,142,500.70-572,363,445.45-314,118,052.70

Finding the Fourth Proportional to 382,142,500.70, 572,363,445.45 and 314,118,052.70

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Solution

The fourth proportional to 382,142,500.70, 572,363,445.45 and 314,118,052.70 is: 470,478,134.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,142,500.70 : 572,363,445.45 = 314,118,052.70 : x
  2. Step 2: Convert to fraction form
    382,142,500.70/572,363,445.45 = 314,118,052.70/x
  3. Step 3: Cross multiply
    382,142,500.70x = 572,363,445.45 × 314,118,052.70
  4. Step 4: Simplify right side
    382,142,500.70x = 179,789,690,921,416,672
  5. Step 5: Solve for x
    x = 179,789,690,921,416,672/382,142,500.70
  6. Step 6: Final answer
    x = 470,478,134.71

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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.