Home / 885,695,395.20-1,328,543,092.80-230,645,155.20

Finding the Fourth Proportional to 885,695,395.20, 1,328,543,092.80 and 230,645,155.20

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Solution

The fourth proportional to 885,695,395.20, 1,328,543,092.80 and 230,645,155.20 is: 345,967,732.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,695,395.20 : 1,328,543,092.80 = 230,645,155.20 : x
  2. Step 2: Convert to fraction form
    885,695,395.20/1,328,543,092.80 = 230,645,155.20/x
  3. Step 3: Cross multiply
    885,695,395.20x = 1,328,543,092.80 × 230,645,155.20
  4. Step 4: Simplify right side
    885,695,395.20x = 306,422,027,828,744,000
  5. Step 5: Solve for x
    x = 306,422,027,828,744,000/885,695,395.20
  6. Step 6: Final answer
    x = 345,967,732.80

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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.