Home / 797,213,815.40-1,195,820,723.10-724,512,686.60

Finding the Fourth Proportional to 797,213,815.40, 1,195,820,723.10 and 724,512,686.60

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Solution

The fourth proportional to 797,213,815.40, 1,195,820,723.10 and 724,512,686.60 is: 1,086,769,029.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,213,815.40 : 1,195,820,723.10 = 724,512,686.60 : x
  2. Step 2: Convert to fraction form
    797,213,815.40/1,195,820,723.10 = 724,512,686.60/x
  3. Step 3: Cross multiply
    797,213,815.40x = 1,195,820,723.10 × 724,512,686.60
  4. Step 4: Simplify right side
    797,213,815.40x = 866,387,284,785,135,616
  5. Step 5: Solve for x
    x = 866,387,284,785,135,616/797,213,815.40
  6. Step 6: Final answer
    x = 1,086,769,029.90

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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.