Home / 499,062,387.83-688,659,876.73-276,039,269.60

Finding the Fourth Proportional to 499,062,387.83, 688,659,876.73 and 276,039,269.60

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Solution

The fourth proportional to 499,062,387.83, 688,659,876.73 and 276,039,269.60 is: 380,908,627.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,062,387.83 : 688,659,876.73 = 276,039,269.60 : x
  2. Step 2: Convert to fraction form
    499,062,387.83/688,659,876.73 = 276,039,269.60/x
  3. Step 3: Cross multiply
    499,062,387.83x = 688,659,876.73 × 276,039,269.60
  4. Step 4: Simplify right side
    499,062,387.83x = 190,097,169,375,375,264
  5. Step 5: Solve for x
    x = 190,097,169,375,375,264/499,062,387.83
  6. Step 6: Final answer
    x = 380,908,627.88

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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.