Home / 3,985,834,291.20-5,978,751,436.80-2,952,712,987.20

Finding the Fourth Proportional to 3,985,834,291.20, 5,978,751,436.80 and 2,952,712,987.20

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Solution

The fourth proportional to 3,985,834,291.20, 5,978,751,436.80 and 2,952,712,987.20 is: 4,429,069,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,834,291.20 : 5,978,751,436.80 = 2,952,712,987.20 : x
  2. Step 2: Convert to fraction form
    3,985,834,291.20/5,978,751,436.80 = 2,952,712,987.20/x
  3. Step 3: Cross multiply
    3,985,834,291.20x = 5,978,751,436.80 × 2,952,712,987.20
  4. Step 4: Simplify right side
    3,985,834,291.20x = 17,653,537,014,680,018,944
  5. Step 5: Solve for x
    x = 17,653,537,014,680,018,944/3,985,834,291.20
  6. Step 6: Final answer
    x = 4,429,069,480.80

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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.