Home / 2,149,011,743.60-3,224,313,877.80-857,474,130.80

Finding the Fourth Proportional to 2,149,011,743.60, 3,224,313,877.80 and 857,474,130.80

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Solution

The fourth proportional to 2,149,011,743.60, 3,224,313,877.80 and 857,474,130.80 is: 1,286,528,911.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149,011,743.60 : 3,224,313,877.80 = 857,474,130.80 : x
  2. Step 2: Convert to fraction form
    2,149,011,743.60/3,224,313,877.80 = 857,474,130.80/x
  3. Step 3: Cross multiply
    2,149,011,743.60x = 3,224,313,877.80 × 857,474,130.80
  4. Step 4: Simplify right side
    2,149,011,743.60x = 2,764,765,739,792,932,352
  5. Step 5: Solve for x
    x = 2,764,765,739,792,932,352/2,149,011,743.60
  6. Step 6: Final answer
    x = 1,286,528,911.73

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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.