Home / 646,822,401.60-970,233,602.40-237,793,915.20

Finding the Fourth Proportional to 646,822,401.60, 970,233,602.40 and 237,793,915.20

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Solution

The fourth proportional to 646,822,401.60, 970,233,602.40 and 237,793,915.20 is: 356,690,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,822,401.60 : 970,233,602.40 = 237,793,915.20 : x
  2. Step 2: Convert to fraction form
    646,822,401.60/970,233,602.40 = 237,793,915.20/x
  3. Step 3: Cross multiply
    646,822,401.60x = 970,233,602.40 × 237,793,915.20
  4. Step 4: Simplify right side
    646,822,401.60x = 230,715,646,973,296,096
  5. Step 5: Solve for x
    x = 230,715,646,973,296,096/646,822,401.60
  6. Step 6: Final answer
    x = 356,690,872.80

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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.