Home / 747,012,319.83-1,120,906,275.98-304,679,516.49

Finding the Fourth Proportional to 747,012,319.83, 1,120,906,275.98 and 304,679,516.49

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Solution

The fourth proportional to 747,012,319.83, 1,120,906,275.98 and 304,679,516.49 is: 457,177,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,012,319.83 : 1,120,906,275.98 = 304,679,516.49 : x
  2. Step 2: Convert to fraction form
    747,012,319.83/1,120,906,275.98 = 304,679,516.49/x
  3. Step 3: Cross multiply
    747,012,319.83x = 1,120,906,275.98 × 304,679,516.49
  4. Step 4: Simplify right side
    747,012,319.83x = 341,517,182,194,669,504
  5. Step 5: Solve for x
    x = 341,517,182,194,669,504/747,012,319.83
  6. Step 6: Final answer
    x = 457,177,442.90

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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.