Home / 2,719,657,985.80-4,079,486,978.70-2,127,845,288.20

Finding the Fourth Proportional to 2,719,657,985.80, 4,079,486,978.70 and 2,127,845,288.20

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Solution

The fourth proportional to 2,719,657,985.80, 4,079,486,978.70 and 2,127,845,288.20 is: 3,191,767,932.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719,657,985.80 : 4,079,486,978.70 = 2,127,845,288.20 : x
  2. Step 2: Convert to fraction form
    2,719,657,985.80/4,079,486,978.70 = 2,127,845,288.20/x
  3. Step 3: Cross multiply
    2,719,657,985.80x = 4,079,486,978.70 × 2,127,845,288.20
  4. Step 4: Simplify right side
    2,719,657,985.80x = 8,680,517,145,900,048,384
  5. Step 5: Solve for x
    x = 8,680,517,145,900,048,384/2,719,657,985.80
  6. Step 6: Final answer
    x = 3,191,767,932.30

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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.