Home / 688,752,250.76-1,033,132,108.62-204,082,257.80

Finding the Fourth Proportional to 688,752,250.76, 1,033,132,108.62 and 204,082,257.80

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Solution

The fourth proportional to 688,752,250.76, 1,033,132,108.62 and 204,082,257.80 is: 306,124,492.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,752,250.76 : 1,033,132,108.62 = 204,082,257.80 : x
  2. Step 2: Convert to fraction form
    688,752,250.76/1,033,132,108.62 = 204,082,257.80/x
  3. Step 3: Cross multiply
    688,752,250.76x = 1,033,132,108.62 × 204,082,257.80
  4. Step 4: Simplify right side
    688,752,250.76x = 210,843,933,332,844,448
  5. Step 5: Solve for x
    x = 210,843,933,332,844,448/688,752,250.76
  6. Step 6: Final answer
    x = 306,124,492.66

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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.