Home / 657,930,160.20-986,895,240.30-528,789,997.20

Finding the Fourth Proportional to 657,930,160.20, 986,895,240.30 and 528,789,997.20

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Solution

The fourth proportional to 657,930,160.20, 986,895,240.30 and 528,789,997.20 is: 793,184,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,930,160.20 : 986,895,240.30 = 528,789,997.20 : x
  2. Step 2: Convert to fraction form
    657,930,160.20/986,895,240.30 = 528,789,997.20/x
  3. Step 3: Cross multiply
    657,930,160.20x = 986,895,240.30 × 528,789,997.20
  4. Step 4: Simplify right side
    657,930,160.20x = 521,860,331,354,930,304
  5. Step 5: Solve for x
    x = 521,860,331,354,930,304/657,930,160.20
  6. Step 6: Final answer
    x = 793,184,995.80

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Double scale
Find fourth proportional to 657,930,161.20, 986,895,241.80 and 528,789,998.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.