Home / 658,623,930.60-987,935,895.90-173,949,738.60

Finding the Fourth Proportional to 658,623,930.60, 987,935,895.90 and 173,949,738.60

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Solution

The fourth proportional to 658,623,930.60, 987,935,895.90 and 173,949,738.60 is: 260,924,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,623,930.60 : 987,935,895.90 = 173,949,738.60 : x
  2. Step 2: Convert to fraction form
    658,623,930.60/987,935,895.90 = 173,949,738.60/x
  3. Step 3: Cross multiply
    658,623,930.60x = 987,935,895.90 × 173,949,738.60
  4. Step 4: Simplify right side
    658,623,930.60x = 171,851,190,845,361,792
  5. Step 5: Solve for x
    x = 171,851,190,845,361,792/658,623,930.60
  6. Step 6: Final answer
    x = 260,924,607.90

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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.