Home / 625,501,178.28-862,977,820.50-357,384,633.48

Finding the Fourth Proportional to 625,501,178.28, 862,977,820.50 and 357,384,633.48

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Solution

The fourth proportional to 625,501,178.28, 862,977,820.50 and 357,384,633.48 is: 493,068,634.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,501,178.28 : 862,977,820.50 = 357,384,633.48 : x
  2. Step 2: Convert to fraction form
    625,501,178.28/862,977,820.50 = 357,384,633.48/x
  3. Step 3: Cross multiply
    625,501,178.28x = 862,977,820.50 × 357,384,633.48
  4. Step 4: Simplify right side
    625,501,178.28x = 308,415,012,080,761,728
  5. Step 5: Solve for x
    x = 308,415,012,080,761,728/625,501,178.28
  6. Step 6: Final answer
    x = 493,068,634.86

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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.