Home / 527,705,818.66-727,931,471.16-329,122,549.06

Finding the Fourth Proportional to 527,705,818.66, 727,931,471.16 and 329,122,549.06

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Solution

The fourth proportional to 527,705,818.66, 727,931,471.16 and 329,122,549.06 is: 454,000,416.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,705,818.66 : 727,931,471.16 = 329,122,549.06 : x
  2. Step 2: Convert to fraction form
    527,705,818.66/727,931,471.16 = 329,122,549.06/x
  3. Step 3: Cross multiply
    527,705,818.66x = 727,931,471.16 × 329,122,549.06
  4. Step 4: Simplify right side
    527,705,818.66x = 239,578,661,329,175,072
  5. Step 5: Solve for x
    x = 239,578,661,329,175,072/527,705,818.66
  6. Step 6: Final answer
    x = 454,000,416.25

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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.