Home / 885,330,605.20-1,328,455,498.56-361,084,315.78

Finding the Fourth Proportional to 885,330,605.20, 1,328,455,498.56 and 361,084,315.78

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Solution

The fourth proportional to 885,330,605.20, 1,328,455,498.56 and 361,084,315.78 is: 541,813,918.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,330,605.20 : 1,328,455,498.56 = 361,084,315.78 : x
  2. Step 2: Convert to fraction form
    885,330,605.20/1,328,455,498.56 = 361,084,315.78/x
  3. Step 3: Cross multiply
    885,330,605.20x = 1,328,455,498.56 × 361,084,315.78
  4. Step 4: Simplify right side
    885,330,605.20x = 479,684,444,741,716,288
  5. Step 5: Solve for x
    x = 479,684,444,741,716,288/885,330,605.20
  6. Step 6: Final answer
    x = 541,813,918.92

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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.