Home / 430,675,371.60-646,013,057.40-397,418,974.80

Finding the Fourth Proportional to 430,675,371.60, 646,013,057.40 and 397,418,974.80

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Solution

The fourth proportional to 430,675,371.60, 646,013,057.40 and 397,418,974.80 is: 596,128,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,675,371.60 : 646,013,057.40 = 397,418,974.80 : x
  2. Step 2: Convert to fraction form
    430,675,371.60/646,013,057.40 = 397,418,974.80/x
  3. Step 3: Cross multiply
    430,675,371.60x = 646,013,057.40 × 397,418,974.80
  4. Step 4: Simplify right side
    430,675,371.60x = 256,737,846,979,321,536
  5. Step 5: Solve for x
    x = 256,737,846,979,321,536/430,675,371.60
  6. Step 6: Final answer
    x = 596,128,462.20

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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.