Home / 1,189,173,819.60-1,784,398,458.60-499,150,825.20

Finding the Fourth Proportional to 1,189,173,819.60, 1,784,398,458.60 and 499,150,825.20

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Solution

The fourth proportional to 1,189,173,819.60, 1,784,398,458.60 and 499,150,825.20 is: 748,993,922.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,173,819.60 : 1,784,398,458.60 = 499,150,825.20 : x
  2. Step 2: Convert to fraction form
    1,189,173,819.60/1,784,398,458.60 = 499,150,825.20/x
  3. Step 3: Cross multiply
    1,189,173,819.60x = 1,784,398,458.60 × 499,150,825.20
  4. Step 4: Simplify right side
    1,189,173,819.60x = 890,683,963,095,798,016
  5. Step 5: Solve for x
    x = 890,683,963,095,798,016/1,189,173,819.60
  6. Step 6: Final answer
    x = 748,993,922.01

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1.5x scale

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.