Home / 880,186,321.30-1,320,279,481.95-266,690,830.90

Finding the Fourth Proportional to 880,186,321.30, 1,320,279,481.95 and 266,690,830.90

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Solution

The fourth proportional to 880,186,321.30, 1,320,279,481.95 and 266,690,830.90 is: 400,036,246.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,186,321.30 : 1,320,279,481.95 = 266,690,830.90 : x
  2. Step 2: Convert to fraction form
    880,186,321.30/1,320,279,481.95 = 266,690,830.90/x
  3. Step 3: Cross multiply
    880,186,321.30x = 1,320,279,481.95 × 266,690,830.90
  4. Step 4: Simplify right side
    880,186,321.30x = 352,106,432,061,467,072
  5. Step 5: Solve for x
    x = 352,106,432,061,467,072/880,186,321.30
  6. Step 6: Final answer
    x = 400,036,246.35

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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.