Home / 29,663,428,916.64-40,939,041,261.40-17,620,487,304.78

Finding the Fourth Proportional to 29,663,428,916.64, 40,939,041,261.40 and 17,620,487,304.78

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Solution

The fourth proportional to 29,663,428,916.64, 40,939,041,261.40 and 17,620,487,304.78 is: 24,318,357,086.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,663,428,916.64 : 40,939,041,261.40 = 17,620,487,304.78 : x
  2. Step 2: Convert to fraction form
    29,663,428,916.64/40,939,041,261.40 = 17,620,487,304.78/x
  3. Step 3: Cross multiply
    29,663,428,916.64x = 40,939,041,261.40 × 17,620,487,304.78
  4. Step 4: Simplify right side
    29,663,428,916.64x = 721,365,856,816,363,339,776
  5. Step 5: Solve for x
    x = 721,365,856,816,363,339,776/29,663,428,916.64
  6. Step 6: Final answer
    x = 24,318,357,086.89

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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.