Home / 1,397,155,791.60-2,095,733,687.40-1,189,415,504.70

Finding the Fourth Proportional to 1,397,155,791.60, 2,095,733,687.40 and 1,189,415,504.70

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Solution

The fourth proportional to 1,397,155,791.60, 2,095,733,687.40 and 1,189,415,504.70 is: 1,784,123,257.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,155,791.60 : 2,095,733,687.40 = 1,189,415,504.70 : x
  2. Step 2: Convert to fraction form
    1,397,155,791.60/2,095,733,687.40 = 1,189,415,504.70/x
  3. Step 3: Cross multiply
    1,397,155,791.60x = 2,095,733,687.40 × 1,189,415,504.70
  4. Step 4: Simplify right side
    1,397,155,791.60x = 2,492,698,141,515,663,360
  5. Step 5: Solve for x
    x = 2,492,698,141,515,663,360/1,397,155,791.60
  6. Step 6: Final answer
    x = 1,784,123,257.05

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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.