Home / 499,062,395.59-688,659,887.41-276,039,277.36

Finding the Fourth Proportional to 499,062,395.59, 688,659,887.41 and 276,039,277.36

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Solution

The fourth proportional to 499,062,395.59, 688,659,887.41 and 276,039,277.36 is: 380,908,638.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,062,395.59 : 688,659,887.41 = 276,039,277.36 : x
  2. Step 2: Convert to fraction form
    499,062,395.59/688,659,887.41 = 276,039,277.36/x
  3. Step 3: Cross multiply
    499,062,395.59x = 688,659,887.41 × 276,039,277.36
  4. Step 4: Simplify right side
    499,062,395.59x = 190,097,177,667,475,360
  5. Step 5: Solve for x
    x = 190,097,177,667,475,360/499,062,395.59
  6. Step 6: Final answer
    x = 380,908,638.57

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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.