Home / 347,736,008.30-521,604,012.45-225,292,001.90

Finding the Fourth Proportional to 347,736,008.30, 521,604,012.45 and 225,292,001.90

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Solution

The fourth proportional to 347,736,008.30, 521,604,012.45 and 225,292,001.90 is: 337,938,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,736,008.30 : 521,604,012.45 = 225,292,001.90 : x
  2. Step 2: Convert to fraction form
    347,736,008.30/521,604,012.45 = 225,292,001.90/x
  3. Step 3: Cross multiply
    347,736,008.30x = 521,604,012.45 × 225,292,001.90
  4. Step 4: Simplify right side
    347,736,008.30x = 117,513,212,163,933,024
  5. Step 5: Solve for x
    x = 117,513,212,163,933,024/347,736,008.30
  6. Step 6: Final answer
    x = 337,938,002.85

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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.