Home / 481,240,541.20-721,860,811.80-117,734,897.20

Finding the Fourth Proportional to 481,240,541.20, 721,860,811.80 and 117,734,897.20

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Solution

The fourth proportional to 481,240,541.20, 721,860,811.80 and 117,734,897.20 is: 176,602,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,240,541.20 : 721,860,811.80 = 117,734,897.20 : x
  2. Step 2: Convert to fraction form
    481,240,541.20/721,860,811.80 = 117,734,897.20/x
  3. Step 3: Cross multiply
    481,240,541.20x = 721,860,811.80 × 117,734,897.20
  4. Step 4: Simplify right side
    481,240,541.20x = 84,988,208,469,981,536
  5. Step 5: Solve for x
    x = 84,988,208,469,981,536/481,240,541.20
  6. Step 6: Final answer
    x = 176,602,345.80

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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.