Home / 684,318,479.26-944,378,070.22-387,005,181.38

Finding the Fourth Proportional to 684,318,479.26, 944,378,070.22 and 387,005,181.38

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Solution

The fourth proportional to 684,318,479.26, 944,378,070.22 and 387,005,181.38 is: 534,077,651.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,318,479.26 : 944,378,070.22 = 387,005,181.38 : x
  2. Step 2: Convert to fraction form
    684,318,479.26/944,378,070.22 = 387,005,181.38/x
  3. Step 3: Cross multiply
    684,318,479.26x = 944,378,070.22 × 387,005,181.38
  4. Step 4: Simplify right side
    684,318,479.26x = 365,479,206,356,785,472
  5. Step 5: Solve for x
    x = 365,479,206,356,785,472/684,318,479.26
  6. Step 6: Final answer
    x = 534,077,651.61

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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.