Home / 268,587,008.20-402,880,512.30-186,957,670.60

Finding the Fourth Proportional to 268,587,008.20, 402,880,512.30 and 186,957,670.60

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Solution

The fourth proportional to 268,587,008.20, 402,880,512.30 and 186,957,670.60 is: 280,436,505.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,587,008.20 : 402,880,512.30 = 186,957,670.60 : x
  2. Step 2: Convert to fraction form
    268,587,008.20/402,880,512.30 = 186,957,670.60/x
  3. Step 3: Cross multiply
    268,587,008.20x = 402,880,512.30 × 186,957,670.60
  4. Step 4: Simplify right side
    268,587,008.20x = 75,321,602,109,742,656
  5. Step 5: Solve for x
    x = 75,321,602,109,742,656/268,587,008.20
  6. Step 6: Final answer
    x = 280,436,505.90

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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.