Home / 1,115,048,719.40-1,672,573,079.10-933,650,191.40

Finding the Fourth Proportional to 1,115,048,719.40, 1,672,573,079.10 and 933,650,191.40

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Solution

The fourth proportional to 1,115,048,719.40, 1,672,573,079.10 and 933,650,191.40 is: 1,400,475,287.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,048,719.40 : 1,672,573,079.10 = 933,650,191.40 : x
  2. Step 2: Convert to fraction form
    1,115,048,719.40/1,672,573,079.10 = 933,650,191.40/x
  3. Step 3: Cross multiply
    1,115,048,719.40x = 1,672,573,079.10 × 933,650,191.40
  4. Step 4: Simplify right side
    1,115,048,719.40x = 1,561,598,175,432,202,240
  5. Step 5: Solve for x
    x = 1,561,598,175,432,202,240/1,115,048,719.40
  6. Step 6: Final answer
    x = 1,400,475,287.10

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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.