Home / 917,993,200.20-1,376,989,800.30-661,626,061.80

Finding the Fourth Proportional to 917,993,200.20, 1,376,989,800.30 and 661,626,061.80

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Solution

The fourth proportional to 917,993,200.20, 1,376,989,800.30 and 661,626,061.80 is: 992,439,092.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,993,200.20 : 1,376,989,800.30 = 661,626,061.80 : x
  2. Step 2: Convert to fraction form
    917,993,200.20/1,376,989,800.30 = 661,626,061.80/x
  3. Step 3: Cross multiply
    917,993,200.20x = 1,376,989,800.30 × 661,626,061.80
  4. Step 4: Simplify right side
    917,993,200.20x = 911,052,338,711,257,344
  5. Step 5: Solve for x
    x = 911,052,338,711,257,344/917,993,200.20
  6. Step 6: Final answer
    x = 992,439,092.70

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Double scale
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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.