Home / 527,706,154.92-727,931,934.82-329,122,884.72

Finding the Fourth Proportional to 527,706,154.92, 727,931,934.82 and 329,122,884.72

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Solution

The fourth proportional to 527,706,154.92, 727,931,934.82 and 329,122,884.72 is: 454,000,879.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,706,154.92 : 727,931,934.82 = 329,122,884.72 : x
  2. Step 2: Convert to fraction form
    527,706,154.92/727,931,934.82 = 329,122,884.72/x
  3. Step 3: Cross multiply
    527,706,154.92x = 727,931,934.82 × 329,122,884.72
  4. Step 4: Simplify right side
    527,706,154.92x = 239,579,058,267,769,440
  5. Step 5: Solve for x
    x = 239,579,058,267,769,440/527,706,154.92
  6. Step 6: Final answer
    x = 454,000,879.15

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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.