Home / 684,537,247.43-944,682,785.30-387,173,670.83

Finding the Fourth Proportional to 684,537,247.43, 944,682,785.30 and 387,173,670.83

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Solution

The fourth proportional to 684,537,247.43, 944,682,785.30 and 387,173,670.83 is: 534,311,760.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,537,247.43 : 944,682,785.30 = 387,173,670.83 : x
  2. Step 2: Convert to fraction form
    684,537,247.43/944,682,785.30 = 387,173,670.83/x
  3. Step 3: Cross multiply
    684,537,247.43x = 944,682,785.30 × 387,173,670.83
  4. Step 4: Simplify right side
    684,537,247.43x = 365,756,301,754,296,832
  5. Step 5: Solve for x
    x = 365,756,301,754,296,832/684,537,247.43
  6. Step 6: Final answer
    x = 534,311,760.43

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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.