Home / 1,397,154,928.60-2,095,732,392.90-1,189,414,641.70

Finding the Fourth Proportional to 1,397,154,928.60, 2,095,732,392.90 and 1,189,414,641.70

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Solution

The fourth proportional to 1,397,154,928.60, 2,095,732,392.90 and 1,189,414,641.70 is: 1,784,121,962.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,154,928.60 : 2,095,732,392.90 = 1,189,414,641.70 : x
  2. Step 2: Convert to fraction form
    1,397,154,928.60/2,095,732,392.90 = 1,189,414,641.70/x
  3. Step 3: Cross multiply
    1,397,154,928.60x = 2,095,732,392.90 × 1,189,414,641.70
  4. Step 4: Simplify right side
    1,397,154,928.60x = 2,492,694,793,200,237,568
  5. Step 5: Solve for x
    x = 2,492,694,793,200,237,568/1,397,154,928.60
  6. Step 6: Final answer
    x = 1,784,121,962.55

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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.