Home / 853,092,771.29-1,177,272,377.77-476,755,640.17

Finding the Fourth Proportional to 853,092,771.29, 1,177,272,377.77 and 476,755,640.17

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Solution

The fourth proportional to 853,092,771.29, 1,177,272,377.77 and 476,755,640.17 is: 657,925,216.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,092,771.29 : 1,177,272,377.77 = 476,755,640.17 : x
  2. Step 2: Convert to fraction form
    853,092,771.29/1,177,272,377.77 = 476,755,640.17/x
  3. Step 3: Cross multiply
    853,092,771.29x = 1,177,272,377.77 × 476,755,640.17
  4. Step 4: Simplify right side
    853,092,771.29x = 561,271,246,118,194,432
  5. Step 5: Solve for x
    x = 561,271,246,118,194,432/853,092,771.29
  6. Step 6: Final answer
    x = 657,925,216.35

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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.