Home / 651,830,352.71-901,894,587.18-568,372,513.61

Finding the Fourth Proportional to 651,830,352.71, 901,894,587.18 and 568,372,513.61

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Solution

The fourth proportional to 651,830,352.71, 901,894,587.18 and 568,372,513.61 is: 786,419,489.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,830,352.71 : 901,894,587.18 = 568,372,513.61 : x
  2. Step 2: Convert to fraction form
    651,830,352.71/901,894,587.18 = 568,372,513.61/x
  3. Step 3: Cross multiply
    651,830,352.71x = 901,894,587.18 × 568,372,513.61
  4. Step 4: Simplify right side
    651,830,352.71x = 512,612,093,526,856,192
  5. Step 5: Solve for x
    x = 512,612,093,526,856,192/651,830,352.71
  6. Step 6: Final answer
    x = 786,419,489.98

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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.