Home / 1,119,754,039.80-1,679,631,059.70-392,648,273.40

Finding the Fourth Proportional to 1,119,754,039.80, 1,679,631,059.70 and 392,648,273.40

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Solution

The fourth proportional to 1,119,754,039.80, 1,679,631,059.70 and 392,648,273.40 is: 588,972,410.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,754,039.80 : 1,679,631,059.70 = 392,648,273.40 : x
  2. Step 2: Convert to fraction form
    1,119,754,039.80/1,679,631,059.70 = 392,648,273.40/x
  3. Step 3: Cross multiply
    1,119,754,039.80x = 1,679,631,059.70 × 392,648,273.40
  4. Step 4: Simplify right side
    1,119,754,039.80x = 659,504,235,540,217,344
  5. Step 5: Solve for x
    x = 659,504,235,540,217,344/1,119,754,039.80
  6. Step 6: Final answer
    x = 588,972,410.10

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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.