Home / 657,626,204.62-907,524,085.62-393,308,157.25

Finding the Fourth Proportional to 657,626,204.62, 907,524,085.62 and 393,308,157.25

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Solution

The fourth proportional to 657,626,204.62, 907,524,085.62 and 393,308,157.25 is: 542,765,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,626,204.62 : 907,524,085.62 = 393,308,157.25 : x
  2. Step 2: Convert to fraction form
    657,626,204.62/907,524,085.62 = 393,308,157.25/x
  3. Step 3: Cross multiply
    657,626,204.62x = 907,524,085.62 × 393,308,157.25
  4. Step 4: Simplify right side
    657,626,204.62x = 356,936,625,775,193,408
  5. Step 5: Solve for x
    x = 356,936,625,775,193,408/657,626,204.62
  6. Step 6: Final answer
    x = 542,765,211.10

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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.