Home / 548,693,134.52-822,855,201.05-198,865,972.94

Finding the Fourth Proportional to 548,693,134.52, 822,855,201.05 and 198,865,972.94

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Solution

The fourth proportional to 548,693,134.52, 822,855,201.05 and 198,865,972.94 is: 298,232,089.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,693,134.52 : 822,855,201.05 = 198,865,972.94 : x
  2. Step 2: Convert to fraction form
    548,693,134.52/822,855,201.05 = 198,865,972.94/x
  3. Step 3: Cross multiply
    548,693,134.52x = 822,855,201.05 × 198,865,972.94
  4. Step 4: Simplify right side
    548,693,134.52x = 163,637,900,141,930,464
  5. Step 5: Solve for x
    x = 163,637,900,141,930,464/548,693,134.52
  6. Step 6: Final answer
    x = 298,232,089.76

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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.