Home / 783,597,878.16-1,081,332,650.93-426,367,125.29

Finding the Fourth Proportional to 783,597,878.16, 1,081,332,650.93 and 426,367,125.29

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Solution

The fourth proportional to 783,597,878.16, 1,081,332,650.93 and 426,367,125.29 is: 588,368,992.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,597,878.16 : 1,081,332,650.93 = 426,367,125.29 : x
  2. Step 2: Convert to fraction form
    783,597,878.16/1,081,332,650.93 = 426,367,125.29/x
  3. Step 3: Cross multiply
    783,597,878.16x = 1,081,332,650.93 × 426,367,125.29
  4. Step 4: Simplify right side
    783,597,878.16x = 461,044,693,851,700,672
  5. Step 5: Solve for x
    x = 461,044,693,851,700,672/783,597,878.16
  6. Step 6: Final answer
    x = 588,368,992.19

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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.