Home / 3,187,641,297.12-4,398,960,268.62-1,758,712,331.78

Finding the Fourth Proportional to 3,187,641,297.12, 4,398,960,268.62 and 1,758,712,331.78

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Solution

The fourth proportional to 3,187,641,297.12, 4,398,960,268.62 and 1,758,712,331.78 is: 2,427,031,447.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,641,297.12 : 4,398,960,268.62 = 1,758,712,331.78 : x
  2. Step 2: Convert to fraction form
    3,187,641,297.12/4,398,960,268.62 = 1,758,712,331.78/x
  3. Step 3: Cross multiply
    3,187,641,297.12x = 4,398,960,268.62 × 1,758,712,331.78
  4. Step 4: Simplify right side
    3,187,641,297.12x = 7,736,505,671,432,255,488
  5. Step 5: Solve for x
    x = 7,736,505,671,432,255,488/3,187,641,297.12
  6. Step 6: Final answer
    x = 2,427,031,447.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.