Home / 579,516,822.40-870,283,003.20-307,419,030.40

Finding the Fourth Proportional to 579,516,822.40, 870,283,003.20 and 307,419,030.40

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Solution

The fourth proportional to 579,516,822.40, 870,283,003.20 and 307,419,030.40 is: 461,663,141.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,516,822.40 : 870,283,003.20 = 307,419,030.40 : x
  2. Step 2: Convert to fraction form
    579,516,822.40/870,283,003.20 = 307,419,030.40/x
  3. Step 3: Cross multiply
    579,516,822.40x = 870,283,003.20 × 307,419,030.40
  4. Step 4: Simplify right side
    579,516,822.40x = 267,541,557,017,344,096
  5. Step 5: Solve for x
    x = 267,541,557,017,344,096/579,516,822.40
  6. Step 6: Final answer
    x = 461,663,141.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.