Home / 831,162,002.80-1,244,257,434.84-502,643,284.96

Finding the Fourth Proportional to 831,162,002.80, 1,244,257,434.84 and 502,643,284.96

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Solution

The fourth proportional to 831,162,002.80, 1,244,257,434.84 and 502,643,284.96 is: 752,461,785.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,162,002.80 : 1,244,257,434.84 = 502,643,284.96 : x
  2. Step 2: Convert to fraction form
    831,162,002.80/1,244,257,434.84 = 502,643,284.96/x
  3. Step 3: Cross multiply
    831,162,002.80x = 1,244,257,434.84 × 502,643,284.96
  4. Step 4: Simplify right side
    831,162,002.80x = 625,417,644,383,880,704
  5. Step 5: Solve for x
    x = 625,417,644,383,880,704/831,162,002.80
  6. Step 6: Final answer
    x = 752,461,785.16

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1.5x scale

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.