Home / 642,068,822.20-963,103,233.30-157,394,630.20

Finding the Fourth Proportional to 642,068,822.20, 963,103,233.30 and 157,394,630.20

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Solution

The fourth proportional to 642,068,822.20, 963,103,233.30 and 157,394,630.20 is: 236,091,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,068,822.20 : 963,103,233.30 = 157,394,630.20 : x
  2. Step 2: Convert to fraction form
    642,068,822.20/963,103,233.30 = 157,394,630.20/x
  3. Step 3: Cross multiply
    642,068,822.20x = 963,103,233.30 × 157,394,630.20
  4. Step 4: Simplify right side
    642,068,822.20x = 151,587,277,249,677,792
  5. Step 5: Solve for x
    x = 151,587,277,249,677,792/642,068,822.20
  6. Step 6: Final answer
    x = 236,091,945.30

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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.