Home / 12,918,948,494.13-19,378,422,719.32-3,104,296,106.13

Finding the Fourth Proportional to 12,918,948,494.13, 19,378,422,719.32 and 3,104,296,106.13

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Solution

The fourth proportional to 12,918,948,494.13, 19,378,422,719.32 and 3,104,296,106.13 is: 4,656,444,153.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,918,948,494.13 : 19,378,422,719.32 = 3,104,296,106.13 : x
  2. Step 2: Convert to fraction form
    12,918,948,494.13/19,378,422,719.32 = 3,104,296,106.13/x
  3. Step 3: Cross multiply
    12,918,948,494.13x = 19,378,422,719.32 × 3,104,296,106.13
  4. Step 4: Simplify right side
    12,918,948,494.13x = 60,156,362,190,526,201,856
  5. Step 5: Solve for x
    x = 60,156,362,190,526,201,856/12,918,948,494.13
  6. Step 6: Final answer
    x = 4,656,444,153.94

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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.