Home / 979,290,002.80-1,468,935,004.20-324,342,114.40

Finding the Fourth Proportional to 979,290,002.80, 1,468,935,004.20 and 324,342,114.40

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Solution

The fourth proportional to 979,290,002.80, 1,468,935,004.20 and 324,342,114.40 is: 486,513,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,290,002.80 : 1,468,935,004.20 = 324,342,114.40 : x
  2. Step 2: Convert to fraction form
    979,290,002.80/1,468,935,004.20 = 324,342,114.40/x
  3. Step 3: Cross multiply
    979,290,002.80x = 1,468,935,004.20 × 324,342,114.40
  4. Step 4: Simplify right side
    979,290,002.80x = 476,437,485,178,400,832
  5. Step 5: Solve for x
    x = 476,437,485,178,400,832/979,290,002.80
  6. Step 6: Final answer
    x = 486,513,171.60

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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.