Home / 2,155,681,620.80-3,233,522,431.20-1,938,003,387.20

Finding the Fourth Proportional to 2,155,681,620.80, 3,233,522,431.20 and 1,938,003,387.20

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Solution

The fourth proportional to 2,155,681,620.80, 3,233,522,431.20 and 1,938,003,387.20 is: 2,907,005,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,681,620.80 : 3,233,522,431.20 = 1,938,003,387.20 : x
  2. Step 2: Convert to fraction form
    2,155,681,620.80/3,233,522,431.20 = 1,938,003,387.20/x
  3. Step 3: Cross multiply
    2,155,681,620.80x = 3,233,522,431.20 × 1,938,003,387.20
  4. Step 4: Simplify right side
    2,155,681,620.80x = 6,266,577,424,252,778,496
  5. Step 5: Solve for x
    x = 6,266,577,424,252,778,496/2,155,681,620.80
  6. Step 6: Final answer
    x = 2,907,005,080.80

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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.