Home / 543,782,251.02-750,393,426.87-308,801,873.10

Finding the Fourth Proportional to 543,782,251.02, 750,393,426.87 and 308,801,873.10

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Solution

The fourth proportional to 543,782,251.02, 750,393,426.87 and 308,801,873.10 is: 426,131,774.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,782,251.02 : 750,393,426.87 = 308,801,873.10 : x
  2. Step 2: Convert to fraction form
    543,782,251.02/750,393,426.87 = 308,801,873.10/x
  3. Step 3: Cross multiply
    543,782,251.02x = 750,393,426.87 × 308,801,873.10
  4. Step 4: Simplify right side
    543,782,251.02x = 231,722,895,779,383,904
  5. Step 5: Solve for x
    x = 231,722,895,779,383,904/543,782,251.02
  6. Step 6: Final answer
    x = 426,131,774.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.