Home / 2,953,681,690.39-4,430,522,148.00-1,206,882,620.78

Finding the Fourth Proportional to 2,953,681,690.39, 4,430,522,148.00 and 1,206,882,620.78

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Solution

The fourth proportional to 2,953,681,690.39, 4,430,522,148.00 and 1,206,882,620.78 is: 1,810,323,772.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953,681,690.39 : 4,430,522,148.00 = 1,206,882,620.78 : x
  2. Step 2: Convert to fraction form
    2,953,681,690.39/4,430,522,148.00 = 1,206,882,620.78/x
  3. Step 3: Cross multiply
    2,953,681,690.39x = 4,430,522,148.00 × 1,206,882,620.78
  4. Step 4: Simplify right side
    2,953,681,690.39x = 5,347,120,181,375,457,280
  5. Step 5: Solve for x
    x = 5,347,120,181,375,457,280/2,953,681,690.39
  6. Step 6: Final answer
    x = 1,810,323,772.79

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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.