Home / 746,982,011.40-1,120,473,017.10-488,992,993.80

Finding the Fourth Proportional to 746,982,011.40, 1,120,473,017.10 and 488,992,993.80

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Solution

The fourth proportional to 746,982,011.40, 1,120,473,017.10 and 488,992,993.80 is: 733,489,490.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,982,011.40 : 1,120,473,017.10 = 488,992,993.80 : x
  2. Step 2: Convert to fraction form
    746,982,011.40/1,120,473,017.10 = 488,992,993.80/x
  3. Step 3: Cross multiply
    746,982,011.40x = 1,120,473,017.10 × 488,992,993.80
  4. Step 4: Simplify right side
    746,982,011.40x = 547,903,455,103,847,552
  5. Step 5: Solve for x
    x = 547,903,455,103,847,552/746,982,011.40
  6. Step 6: Final answer
    x = 733,489,490.70

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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.