Home / 853,092,771.41-1,177,272,377.93-476,755,640.28

Finding the Fourth Proportional to 853,092,771.41, 1,177,272,377.93 and 476,755,640.28

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Solution

The fourth proportional to 853,092,771.41, 1,177,272,377.93 and 476,755,640.28 is: 657,925,216.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,092,771.41 : 1,177,272,377.93 = 476,755,640.28 : x
  2. Step 2: Convert to fraction form
    853,092,771.41/1,177,272,377.93 = 476,755,640.28/x
  3. Step 3: Cross multiply
    853,092,771.41x = 1,177,272,377.93 × 476,755,640.28
  4. Step 4: Simplify right side
    853,092,771.41x = 561,271,246,321,591,488
  5. Step 5: Solve for x
    x = 561,271,246,321,591,488/853,092,771.41
  6. Step 6: Final answer
    x = 657,925,216.50

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1.5x scale

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.