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Finding the Fourth Proportional to 360,888,662.76, 498,026,722.98 and 195,876,266.28

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Solution

The fourth proportional to 360,888,662.76, 498,026,722.98 and 195,876,266.28 is: 270,309,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,888,662.76 : 498,026,722.98 = 195,876,266.28 : x
  2. Step 2: Convert to fraction form
    360,888,662.76/498,026,722.98 = 195,876,266.28/x
  3. Step 3: Cross multiply
    360,888,662.76x = 498,026,722.98 × 195,876,266.28
  4. Step 4: Simplify right side
    360,888,662.76x = 97,551,615,004,986,272
  5. Step 5: Solve for x
    x = 97,551,615,004,986,272/360,888,662.76
  6. Step 6: Final answer
    x = 270,309,447.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.