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Finding the Fourth Proportional to 489,402,453.30, 734,103,679.95 and 295,910,690.10

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Solution

The fourth proportional to 489,402,453.30, 734,103,679.95 and 295,910,690.10 is: 443,866,035.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,402,453.30 : 734,103,679.95 = 295,910,690.10 : x
  2. Step 2: Convert to fraction form
    489,402,453.30/734,103,679.95 = 295,910,690.10/x
  3. Step 3: Cross multiply
    489,402,453.30x = 734,103,679.95 × 295,910,690.10
  4. Step 4: Simplify right side
    489,402,453.30x = 217,229,126,538,954,080
  5. Step 5: Solve for x
    x = 217,229,126,538,954,080/489,402,453.30
  6. Step 6: Final answer
    x = 443,866,035.15

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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.