Home / 885,740,934.10-1,328,611,401.15-656,158,422.10

Finding the Fourth Proportional to 885,740,934.10, 1,328,611,401.15 and 656,158,422.10

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Solution

The fourth proportional to 885,740,934.10, 1,328,611,401.15 and 656,158,422.10 is: 984,237,633.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,740,934.10 : 1,328,611,401.15 = 656,158,422.10 : x
  2. Step 2: Convert to fraction form
    885,740,934.10/1,328,611,401.15 = 656,158,422.10/x
  3. Step 3: Cross multiply
    885,740,934.10x = 1,328,611,401.15 × 656,158,422.10
  4. Step 4: Simplify right side
    885,740,934.10x = 871,779,560,562,654,208
  5. Step 5: Solve for x
    x = 871,779,560,562,654,208/885,740,934.10
  6. Step 6: Final answer
    x = 984,237,633.15

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Double scale
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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.