Home / 417,459,717.45-576,105,660.21-245,612,793.01

Finding the Fourth Proportional to 417,459,717.45, 576,105,660.21 and 245,612,793.01

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Solution

The fourth proportional to 417,459,717.45, 576,105,660.21 and 245,612,793.01 is: 338,952,273.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,459,717.45 : 576,105,660.21 = 245,612,793.01 : x
  2. Step 2: Convert to fraction form
    417,459,717.45/576,105,660.21 = 245,612,793.01/x
  3. Step 3: Cross multiply
    417,459,717.45x = 576,105,660.21 × 245,612,793.01
  4. Step 4: Simplify right side
    417,459,717.45x = 141,498,920,273,466,384
  5. Step 5: Solve for x
    x = 141,498,920,273,466,384/417,459,717.45
  6. Step 6: Final answer
    x = 338,952,273.38

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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.