Home / 79,395,591,805.20-119,093,387,707.80-78,930,687,218.40

Finding the Fourth Proportional to 79,395,591,805.20, 119,093,387,707.80 and 78,930,687,218.40

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Solution

The fourth proportional to 79,395,591,805.20, 119,093,387,707.80 and 78,930,687,218.40 is: 118,396,030,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,395,591,805.20 : 119,093,387,707.80 = 78,930,687,218.40 : x
  2. Step 2: Convert to fraction form
    79,395,591,805.20/119,093,387,707.80 = 78,930,687,218.40/x
  3. Step 3: Cross multiply
    79,395,591,805.20x = 119,093,387,707.80 × 78,930,687,218.40
  4. Step 4: Simplify right side
    79,395,591,805.20x = 9,400,122,934,944,004,571,136
  5. Step 5: Solve for x
    x = 9,400,122,934,944,004,571,136/79,395,591,805.20
  6. Step 6: Final answer
    x = 118,396,030,827.60

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1.5x scale

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.