Home / 746,982,007.40-1,120,473,011.10-488,992,989.80

Finding the Fourth Proportional to 746,982,007.40, 1,120,473,011.10 and 488,992,989.80

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Solution

The fourth proportional to 746,982,007.40, 1,120,473,011.10 and 488,992,989.80 is: 733,489,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,982,007.40 : 1,120,473,011.10 = 488,992,989.80 : x
  2. Step 2: Convert to fraction form
    746,982,007.40/1,120,473,011.10 = 488,992,989.80/x
  3. Step 3: Cross multiply
    746,982,007.40x = 1,120,473,011.10 × 488,992,989.80
  4. Step 4: Simplify right side
    746,982,007.40x = 547,903,447,687,997,568
  5. Step 5: Solve for x
    x = 547,903,447,687,997,568/746,982,007.40
  6. Step 6: Final answer
    x = 733,489,484.70

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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.