Home / 12,918,948,497.28-19,378,422,724.02-3,104,296,109.28

Finding the Fourth Proportional to 12,918,948,497.28, 19,378,422,724.02 and 3,104,296,109.28

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Solution

The fourth proportional to 12,918,948,497.28, 19,378,422,724.02 and 3,104,296,109.28 is: 4,656,444,158.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,918,948,497.28 : 19,378,422,724.02 = 3,104,296,109.28 : x
  2. Step 2: Convert to fraction form
    12,918,948,497.28/19,378,422,724.02 = 3,104,296,109.28/x
  3. Step 3: Cross multiply
    12,918,948,497.28x = 19,378,422,724.02 × 3,104,296,109.28
  4. Step 4: Simplify right side
    12,918,948,497.28x = 60,156,362,266,158,432,256
  5. Step 5: Solve for x
    x = 60,156,362,266,158,432,256/12,918,948,497.28
  6. Step 6: Final answer
    x = 4,656,444,158.66

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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.