Home / 490,836,568.18-736,200,464.55-175,690,010.74

Finding the Fourth Proportional to 490,836,568.18, 736,200,464.55 and 175,690,010.74

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Solution

The fourth proportional to 490,836,568.18, 736,200,464.55 and 175,690,010.74 is: 263,515,548.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,836,568.18 : 736,200,464.55 = 175,690,010.74 : x
  2. Step 2: Convert to fraction form
    490,836,568.18/736,200,464.55 = 175,690,010.74/x
  3. Step 3: Cross multiply
    490,836,568.18x = 736,200,464.55 × 175,690,010.74
  4. Step 4: Simplify right side
    490,836,568.18x = 129,343,067,523,582,480
  5. Step 5: Solve for x
    x = 129,343,067,523,582,480/490,836,568.18
  6. Step 6: Final answer
    x = 263,515,548.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.