Home / 12,757,955,784.40-19,140,516,857.40-6,215,067,643.60

Finding the Fourth Proportional to 12,757,955,784.40, 19,140,516,857.40 and 6,215,067,643.60

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Solution

The fourth proportional to 12,757,955,784.40, 19,140,516,857.40 and 6,215,067,643.60 is: 9,324,347,020.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,757,955,784.40 : 19,140,516,857.40 = 6,215,067,643.60 : x
  2. Step 2: Convert to fraction form
    12,757,955,784.40/19,140,516,857.40 = 6,215,067,643.60/x
  3. Step 3: Cross multiply
    12,757,955,784.40x = 19,140,516,857.40 × 6,215,067,643.60
  4. Step 4: Simplify right side
    12,757,955,784.40x = 118,959,607,002,207,109,120
  5. Step 5: Solve for x
    x = 118,959,607,002,207,109,120/12,757,955,784.40
  6. Step 6: Final answer
    x = 9,324,347,020.21

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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.