Home / 945,694,220.40-1,418,541,330.60-853,861,215.60

Finding the Fourth Proportional to 945,694,220.40, 1,418,541,330.60 and 853,861,215.60

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Solution

The fourth proportional to 945,694,220.40, 1,418,541,330.60 and 853,861,215.60 is: 1,280,791,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,694,220.40 : 1,418,541,330.60 = 853,861,215.60 : x
  2. Step 2: Convert to fraction form
    945,694,220.40/1,418,541,330.60 = 853,861,215.60/x
  3. Step 3: Cross multiply
    945,694,220.40x = 1,418,541,330.60 × 853,861,215.60
  4. Step 4: Simplify right side
    945,694,220.40x = 1,211,237,424,924,957,440
  5. Step 5: Solve for x
    x = 1,211,237,424,924,957,440/945,694,220.40
  6. Step 6: Final answer
    x = 1,280,791,823.40

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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.