Home / 853,092,768.41-1,177,272,373.79-476,755,637.28

Finding the Fourth Proportional to 853,092,768.41, 1,177,272,373.79 and 476,755,637.28

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Solution

The fourth proportional to 853,092,768.41, 1,177,272,373.79 and 476,755,637.28 is: 657,925,212.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,092,768.41 : 1,177,272,373.79 = 476,755,637.28 : x
  2. Step 2: Convert to fraction form
    853,092,768.41/1,177,272,373.79 = 476,755,637.28/x
  3. Step 3: Cross multiply
    853,092,768.41x = 1,177,272,373.79 × 476,755,637.28
  4. Step 4: Simplify right side
    853,092,768.41x = 561,271,240,816,006,016
  5. Step 5: Solve for x
    x = 561,271,240,816,006,016/853,092,768.41
  6. Step 6: Final answer
    x = 657,925,212.36

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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.