Home / 527,705,812.16-727,931,462.19-329,122,542.55

Finding the Fourth Proportional to 527,705,812.16, 727,931,462.19 and 329,122,542.55

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Solution

The fourth proportional to 527,705,812.16, 727,931,462.19 and 329,122,542.55 is: 454,000,407.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,705,812.16 : 727,931,462.19 = 329,122,542.55 : x
  2. Step 2: Convert to fraction form
    527,705,812.16/727,931,462.19 = 329,122,542.55/x
  3. Step 3: Cross multiply
    527,705,812.16x = 727,931,462.19 × 329,122,542.55
  4. Step 4: Simplify right side
    527,705,812.16x = 239,578,653,638,112,032
  5. Step 5: Solve for x
    x = 239,578,653,638,112,032/527,705,812.16
  6. Step 6: Final answer
    x = 454,000,407.27

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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.