Home / 527,705,815.16-727,931,466.32-329,122,545.56

Finding the Fourth Proportional to 527,705,815.16, 727,931,466.32 and 329,122,545.56

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Solution

The fourth proportional to 527,705,815.16, 727,931,466.32 and 329,122,545.56 is: 454,000,411.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,705,815.16 : 727,931,466.32 = 329,122,545.56 : x
  2. Step 2: Convert to fraction form
    527,705,815.16/727,931,466.32 = 329,122,545.56/x
  3. Step 3: Cross multiply
    527,705,815.16x = 727,931,466.32 × 329,122,545.56
  4. Step 4: Simplify right side
    527,705,815.16x = 239,578,657,188,461,824
  5. Step 5: Solve for x
    x = 239,578,657,188,461,824/527,705,815.16
  6. Step 6: Final answer
    x = 454,000,411.41

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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.