Home / 1,120,474,911.60-1,680,712,367.40-733,491,385.20

Finding the Fourth Proportional to 1,120,474,911.60, 1,680,712,367.40 and 733,491,385.20

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Solution

The fourth proportional to 1,120,474,911.60, 1,680,712,367.40 and 733,491,385.20 is: 1,100,237,077.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,474,911.60 : 1,680,712,367.40 = 733,491,385.20 : x
  2. Step 2: Convert to fraction form
    1,120,474,911.60/1,680,712,367.40 = 733,491,385.20/x
  3. Step 3: Cross multiply
    1,120,474,911.60x = 1,680,712,367.40 × 733,491,385.20
  4. Step 4: Simplify right side
    1,120,474,911.60x = 1,232,788,042,486,997,504
  5. Step 5: Solve for x
    x = 1,232,788,042,486,997,504/1,120,474,911.60
  6. Step 6: Final answer
    x = 1,100,237,077.80

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Half scale
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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.