Home / 783,597,879.16-1,081,332,652.30-426,367,126.29

Finding the Fourth Proportional to 783,597,879.16, 1,081,332,652.30 and 426,367,126.29

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Solution

The fourth proportional to 783,597,879.16, 1,081,332,652.30 and 426,367,126.29 is: 588,368,993.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,597,879.16 : 1,081,332,652.30 = 426,367,126.29 : x
  2. Step 2: Convert to fraction form
    783,597,879.16/1,081,332,652.30 = 426,367,126.29/x
  3. Step 3: Cross multiply
    783,597,879.16x = 1,081,332,652.30 × 426,367,126.29
  4. Step 4: Simplify right side
    783,597,879.16x = 461,044,695,524,694,784
  5. Step 5: Solve for x
    x = 461,044,695,524,694,784/783,597,879.16
  6. Step 6: Final answer
    x = 588,368,993.57

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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.