Home / 698,957,013.64-964,581,178.08-381,437,760.88

Finding the Fourth Proportional to 698,957,013.64, 964,581,178.08 and 381,437,760.88

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Solution

The fourth proportional to 698,957,013.64, 964,581,178.08 and 381,437,760.88 is: 526,395,296.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,957,013.64 : 964,581,178.08 = 381,437,760.88 : x
  2. Step 2: Convert to fraction form
    698,957,013.64/964,581,178.08 = 381,437,760.88/x
  3. Step 3: Cross multiply
    698,957,013.64x = 964,581,178.08 × 381,437,760.88
  4. Step 4: Simplify right side
    698,957,013.64x = 367,927,684,753,827,776
  5. Step 5: Solve for x
    x = 367,927,684,753,827,776/698,957,013.64
  6. Step 6: Final answer
    x = 526,395,296.96

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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.