Home / 1,120,143,693.60-1,680,215,540.40-966,962,714.40

Finding the Fourth Proportional to 1,120,143,693.60, 1,680,215,540.40 and 966,962,714.40

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Solution

The fourth proportional to 1,120,143,693.60, 1,680,215,540.40 and 966,962,714.40 is: 1,450,444,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,143,693.60 : 1,680,215,540.40 = 966,962,714.40 : x
  2. Step 2: Convert to fraction form
    1,120,143,693.60/1,680,215,540.40 = 966,962,714.40/x
  3. Step 3: Cross multiply
    1,120,143,693.60x = 1,680,215,540.40 × 966,962,714.40
  4. Step 4: Simplify right side
    1,120,143,693.60x = 1,624,705,779,722,246,912
  5. Step 5: Solve for x
    x = 1,624,705,779,722,246,912/1,120,143,693.60
  6. Step 6: Final answer
    x = 1,450,444,071.60

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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.