Home / 646,822,485.60-970,233,728.40-237,793,999.20

Finding the Fourth Proportional to 646,822,485.60, 970,233,728.40 and 237,793,999.20

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Solution

The fourth proportional to 646,822,485.60, 970,233,728.40 and 237,793,999.20 is: 356,690,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,822,485.60 : 970,233,728.40 = 237,793,999.20 : x
  2. Step 2: Convert to fraction form
    646,822,485.60/970,233,728.40 = 237,793,999.20/x
  3. Step 3: Cross multiply
    646,822,485.60x = 970,233,728.40 × 237,793,999.20
  4. Step 4: Simplify right side
    646,822,485.60x = 230,715,758,434,962,592
  5. Step 5: Solve for x
    x = 230,715,758,434,962,592/646,822,485.60
  6. Step 6: Final answer
    x = 356,690,998.80

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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.