Home / 769,824,452.40-1,154,736,678.60-724,474,820.40

Finding the Fourth Proportional to 769,824,452.40, 1,154,736,678.60 and 724,474,820.40

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Solution

The fourth proportional to 769,824,452.40, 1,154,736,678.60 and 724,474,820.40 is: 1,086,712,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,824,452.40 : 1,154,736,678.60 = 724,474,820.40 : x
  2. Step 2: Convert to fraction form
    769,824,452.40/1,154,736,678.60 = 724,474,820.40/x
  3. Step 3: Cross multiply
    769,824,452.40x = 1,154,736,678.60 × 724,474,820.40
  4. Step 4: Simplify right side
    769,824,452.40x = 836,577,647,838,027,392
  5. Step 5: Solve for x
    x = 836,577,647,838,027,392/769,824,452.40
  6. Step 6: Final answer
    x = 1,086,712,230.60

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Double scale
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Similar ratio
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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.