Home / 12,135,995,930.40-18,205,206,368.40-3,292,975,154.40

Finding the Fourth Proportional to 12,135,995,930.40, 18,205,206,368.40 and 3,292,975,154.40

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Solution

The fourth proportional to 12,135,995,930.40, 18,205,206,368.40 and 3,292,975,154.40 is: 4,939,791,723.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,135,995,930.40 : 18,205,206,368.40 = 3,292,975,154.40 : x
  2. Step 2: Convert to fraction form
    12,135,995,930.40/18,205,206,368.40 = 3,292,975,154.40/x
  3. Step 3: Cross multiply
    12,135,995,930.40x = 18,205,206,368.40 × 3,292,975,154.40
  4. Step 4: Simplify right side
    12,135,995,930.40x = 59,949,292,251,865,858,048
  5. Step 5: Solve for x
    x = 59,949,292,251,865,858,048/12,135,995,930.40
  6. Step 6: Final answer
    x = 4,939,791,723.37

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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.