Home / 1,667,142,016.80-2,500,713,025.20-440,310,468.30

Finding the Fourth Proportional to 1,667,142,016.80, 2,500,713,025.20 and 440,310,468.30

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Solution

The fourth proportional to 1,667,142,016.80, 2,500,713,025.20 and 440,310,468.30 is: 660,465,702.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,142,016.80 : 2,500,713,025.20 = 440,310,468.30 : x
  2. Step 2: Convert to fraction form
    1,667,142,016.80/2,500,713,025.20 = 440,310,468.30/x
  3. Step 3: Cross multiply
    1,667,142,016.80x = 2,500,713,025.20 × 440,310,468.30
  4. Step 4: Simplify right side
    1,667,142,016.80x = 1,101,090,123,209,721,600
  5. Step 5: Solve for x
    x = 1,101,090,123,209,721,600/1,667,142,016.80
  6. Step 6: Final answer
    x = 660,465,702.45

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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.