Home / 684,318,447.27-944,378,026.23-387,005,149.44

Finding the Fourth Proportional to 684,318,447.27, 944,378,026.23 and 387,005,149.44

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Solution

The fourth proportional to 684,318,447.27, 944,378,026.23 and 387,005,149.44 is: 534,077,607.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,318,447.27 : 944,378,026.23 = 387,005,149.44 : x
  2. Step 2: Convert to fraction form
    684,318,447.27/944,378,026.23 = 387,005,149.44/x
  3. Step 3: Cross multiply
    684,318,447.27x = 944,378,026.23 × 387,005,149.44
  4. Step 4: Simplify right side
    684,318,447.27x = 365,479,159,168,993,408
  5. Step 5: Solve for x
    x = 365,479,159,168,993,408/684,318,447.27
  6. Step 6: Final answer
    x = 534,077,607.62

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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.