Home / 1,785,439,353.72-2,678,109,523.38-475,352,645.88

Finding the Fourth Proportional to 1,785,439,353.72, 2,678,109,523.38 and 475,352,645.88

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Solution

The fourth proportional to 1,785,439,353.72, 2,678,109,523.38 and 475,352,645.88 is: 713,015,788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,439,353.72 : 2,678,109,523.38 = 475,352,645.88 : x
  2. Step 2: Convert to fraction form
    1,785,439,353.72/2,678,109,523.38 = 475,352,645.88/x
  3. Step 3: Cross multiply
    1,785,439,353.72x = 2,678,109,523.38 × 475,352,645.88
  4. Step 4: Simplify right side
    1,785,439,353.72x = 1,273,046,447,895,108,864
  5. Step 5: Solve for x
    x = 1,273,046,447,895,108,864/1,785,439,353.72
  6. Step 6: Final answer
    x = 713,015,788.10

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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.