Home / 724,374,988.20-1,086,562,482.30-668,414,250.90

Finding the Fourth Proportional to 724,374,988.20, 1,086,562,482.30 and 668,414,250.90

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Solution

The fourth proportional to 724,374,988.20, 1,086,562,482.30 and 668,414,250.90 is: 1,002,621,376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,374,988.20 : 1,086,562,482.30 = 668,414,250.90 : x
  2. Step 2: Convert to fraction form
    724,374,988.20/1,086,562,482.30 = 668,414,250.90/x
  3. Step 3: Cross multiply
    724,374,988.20x = 1,086,562,482.30 × 668,414,250.90
  4. Step 4: Simplify right side
    724,374,988.20x = 726,273,847,662,598,912
  5. Step 5: Solve for x
    x = 726,273,847,662,598,912/724,374,988.20
  6. Step 6: Final answer
    x = 1,002,621,376.35

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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.