Home / 784,974,902.40-1,176,186,895.20-654,878,145.60

Finding the Fourth Proportional to 784,974,902.40, 1,176,186,895.20 and 654,878,145.60

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Solution

The fourth proportional to 784,974,902.40, 1,176,186,895.20 and 654,878,145.60 is: 981,253,146.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,974,902.40 : 1,176,186,895.20 = 654,878,145.60 : x
  2. Step 2: Convert to fraction form
    784,974,902.40/1,176,186,895.20 = 654,878,145.60/x
  3. Step 3: Cross multiply
    784,974,902.40x = 1,176,186,895.20 × 654,878,145.60
  4. Step 4: Simplify right side
    784,974,902.40x = 770,259,092,807,597,568
  5. Step 5: Solve for x
    x = 770,259,092,807,597,568/784,974,902.40
  6. Step 6: Final answer
    x = 981,253,146.38

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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.