Home / 382,142,530.20-572,363,489.70-314,118,082.20

Finding the Fourth Proportional to 382,142,530.20, 572,363,489.70 and 314,118,082.20

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Solution

The fourth proportional to 382,142,530.20, 572,363,489.70 and 314,118,082.20 is: 470,478,178.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,142,530.20 : 572,363,489.70 = 314,118,082.20 : x
  2. Step 2: Convert to fraction form
    382,142,530.20/572,363,489.70 = 314,118,082.20/x
  3. Step 3: Cross multiply
    382,142,530.20x = 572,363,489.70 × 314,118,082.20
  4. Step 4: Simplify right side
    382,142,530.20x = 179,789,721,705,863,456
  5. Step 5: Solve for x
    x = 179,789,721,705,863,456/382,142,530.20
  6. Step 6: Final answer
    x = 470,478,178.94

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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.