Home / 412,496,948.28-569,234,428.02-226,858,031.40

Finding the Fourth Proportional to 412,496,948.28, 569,234,428.02 and 226,858,031.40

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Solution

The fourth proportional to 412,496,948.28, 569,234,428.02 and 226,858,031.40 is: 313,057,835.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,496,948.28 : 569,234,428.02 = 226,858,031.40 : x
  2. Step 2: Convert to fraction form
    412,496,948.28/569,234,428.02 = 226,858,031.40/x
  3. Step 3: Cross multiply
    412,496,948.28x = 569,234,428.02 × 226,858,031.40
  4. Step 4: Simplify right side
    412,496,948.28x = 129,135,401,745,722,192
  5. Step 5: Solve for x
    x = 129,135,401,745,722,192/412,496,948.28
  6. Step 6: Final answer
    x = 313,057,835.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.