Home / 885,735,998.20-1,328,603,997.30-656,153,486.20

Finding the Fourth Proportional to 885,735,998.20, 1,328,603,997.30 and 656,153,486.20

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Solution

The fourth proportional to 885,735,998.20, 1,328,603,997.30 and 656,153,486.20 is: 984,230,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,735,998.20 : 1,328,603,997.30 = 656,153,486.20 : x
  2. Step 2: Convert to fraction form
    885,735,998.20/1,328,603,997.30 = 656,153,486.20/x
  3. Step 3: Cross multiply
    885,735,998.20x = 1,328,603,997.30 × 656,153,486.20
  4. Step 4: Simplify right side
    885,735,998.20x = 871,768,144,607,650,432
  5. Step 5: Solve for x
    x = 871,768,144,607,650,432/885,735,998.20
  6. Step 6: Final answer
    x = 984,230,229.30

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Double scale
Find fourth proportional to 885,735,999.20, 1,328,603,998.80 and 656,153,487.20
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.