Home / 3,060,723,125.40-4,591,084,688.10-990,654,142.20

Finding the Fourth Proportional to 3,060,723,125.40, 4,591,084,688.10 and 990,654,142.20

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Solution

The fourth proportional to 3,060,723,125.40, 4,591,084,688.10 and 990,654,142.20 is: 1,485,981,213.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060,723,125.40 : 4,591,084,688.10 = 990,654,142.20 : x
  2. Step 2: Convert to fraction form
    3,060,723,125.40/4,591,084,688.10 = 990,654,142.20/x
  3. Step 3: Cross multiply
    3,060,723,125.40x = 4,591,084,688.10 × 990,654,142.20
  4. Step 4: Simplify right side
    3,060,723,125.40x = 4,548,177,063,457,260,544
  5. Step 5: Solve for x
    x = 4,548,177,063,457,260,544/3,060,723,125.40
  6. Step 6: Final answer
    x = 1,485,981,213.30

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Double scale
Find fourth proportional to 3,060,723,126.40, 4,591,084,689.60 and 990,654,143.20
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.