Home / 11,549,820,940.40-17,294,894,287.16-7,971,290,287.43

Finding the Fourth Proportional to 11,549,820,940.40, 17,294,894,287.16 and 7,971,290,287.43

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Solution

The fourth proportional to 11,549,820,940.40, 17,294,894,287.16 and 7,971,290,287.43 is: 11,936,342,871.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,549,820,940.40 : 17,294,894,287.16 = 7,971,290,287.43 : x
  2. Step 2: Convert to fraction form
    11,549,820,940.40/17,294,894,287.16 = 7,971,290,287.43/x
  3. Step 3: Cross multiply
    11,549,820,940.40x = 17,294,894,287.16 × 7,971,290,287.43
  4. Step 4: Simplify right side
    11,549,820,940.40x = 137,862,622,853,240,766,464
  5. Step 5: Solve for x
    x = 137,862,622,853,240,766,464/11,549,820,940.40
  6. Step 6: Final answer
    x = 11,936,342,871.86

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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.