Home / 499,062,386.33-688,659,874.66-276,039,268.10

Finding the Fourth Proportional to 499,062,386.33, 688,659,874.66 and 276,039,268.10

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Solution

The fourth proportional to 499,062,386.33, 688,659,874.66 and 276,039,268.10 is: 380,908,625.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,062,386.33 : 688,659,874.66 = 276,039,268.10 : x
  2. Step 2: Convert to fraction form
    499,062,386.33/688,659,874.66 = 276,039,268.10/x
  3. Step 3: Cross multiply
    499,062,386.33x = 688,659,874.66 × 276,039,268.10
  4. Step 4: Simplify right side
    499,062,386.33x = 190,097,167,770,468,352
  5. Step 5: Solve for x
    x = 190,097,167,770,468,352/499,062,386.33
  6. Step 6: Final answer
    x = 380,908,625.81

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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.