Home / 1,119,745,150.60-1,679,617,725.90-392,733,862.60

Finding the Fourth Proportional to 1,119,745,150.60, 1,679,617,725.90 and 392,733,862.60

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Solution

The fourth proportional to 1,119,745,150.60, 1,679,617,725.90 and 392,733,862.60 is: 589,100,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,745,150.60 : 1,679,617,725.90 = 392,733,862.60 : x
  2. Step 2: Convert to fraction form
    1,119,745,150.60/1,679,617,725.90 = 392,733,862.60/x
  3. Step 3: Cross multiply
    1,119,745,150.60x = 1,679,617,725.90 × 392,733,862.60
  4. Step 4: Simplify right side
    1,119,745,150.60x = 659,642,757,184,135,168
  5. Step 5: Solve for x
    x = 659,642,757,184,135,168/1,119,745,150.60
  6. Step 6: Final answer
    x = 589,100,793.90

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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.