Home / 499,062,391.59-688,659,881.90-276,039,273.36

Finding the Fourth Proportional to 499,062,391.59, 688,659,881.90 and 276,039,273.36

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Solution

The fourth proportional to 499,062,391.59, 688,659,881.90 and 276,039,273.36 is: 380,908,633.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,062,391.59 : 688,659,881.90 = 276,039,273.36 : x
  2. Step 2: Convert to fraction form
    499,062,391.59/688,659,881.90 = 276,039,273.36/x
  3. Step 3: Cross multiply
    499,062,391.59x = 688,659,881.90 × 276,039,273.36
  4. Step 4: Simplify right side
    499,062,391.59x = 190,097,173,390,479,232
  5. Step 5: Solve for x
    x = 190,097,173,390,479,232/499,062,391.59
  6. Step 6: Final answer
    x = 380,908,633.06

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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.