Home / 853,092,773.44-1,177,272,380.73-476,755,642.30

Finding the Fourth Proportional to 853,092,773.44, 1,177,272,380.73 and 476,755,642.30

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Solution

The fourth proportional to 853,092,773.44, 1,177,272,380.73 and 476,755,642.30 is: 657,925,219.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,092,773.44 : 1,177,272,380.73 = 476,755,642.30 : x
  2. Step 2: Convert to fraction form
    853,092,773.44/1,177,272,380.73 = 476,755,642.30/x
  3. Step 3: Cross multiply
    853,092,773.44x = 1,177,272,380.73 × 476,755,642.30
  4. Step 4: Simplify right side
    853,092,773.44x = 561,271,250,036,981,312
  5. Step 5: Solve for x
    x = 561,271,250,036,981,312/853,092,773.44
  6. Step 6: Final answer
    x = 657,925,219.29

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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.