Home / 619,490,702.25-929,229,754.55-159,427,083.69

Finding the Fourth Proportional to 619,490,702.25, 929,229,754.55 and 159,427,083.69

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Solution

The fourth proportional to 619,490,702.25, 929,229,754.55 and 159,427,083.69 is: 239,139,004.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,490,702.25 : 929,229,754.55 = 159,427,083.69 : x
  2. Step 2: Convert to fraction form
    619,490,702.25/929,229,754.55 = 159,427,083.69/x
  3. Step 3: Cross multiply
    619,490,702.25x = 929,229,754.55 × 159,427,083.69
  4. Step 4: Simplify right side
    619,490,702.25x = 148,144,389,845,083,872
  5. Step 5: Solve for x
    x = 148,144,389,845,083,872/619,490,702.25
  6. Step 6: Final answer
    x = 239,139,004.52

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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.