Home / 314,930,712.30-472,396,068.45-192,486,705.90

Finding the Fourth Proportional to 314,930,712.30, 472,396,068.45 and 192,486,705.90

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Solution

The fourth proportional to 314,930,712.30, 472,396,068.45 and 192,486,705.90 is: 288,730,058.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,712.30 : 472,396,068.45 = 192,486,705.90 : x
  2. Step 2: Convert to fraction form
    314,930,712.30/472,396,068.45 = 192,486,705.90/x
  3. Step 3: Cross multiply
    314,930,712.30x = 472,396,068.45 × 192,486,705.90
  4. Step 4: Simplify right side
    314,930,712.30x = 90,929,963,096,051,424
  5. Step 5: Solve for x
    x = 90,929,963,096,051,424/314,930,712.30
  6. Step 6: Final answer
    x = 288,730,058.85

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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.