Home / 79,612,689,489.36-119,435,805,928.80-25,825,625,254.80

Finding the Fourth Proportional to 79,612,689,489.36, 119,435,805,928.80 and 25,825,625,254.80

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Solution

The fourth proportional to 79,612,689,489.36, 119,435,805,928.80 and 25,825,625,254.80 is: 38,743,878,465.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,612,689,489.36 : 119,435,805,928.80 = 25,825,625,254.80 : x
  2. Step 2: Convert to fraction form
    79,612,689,489.36/119,435,805,928.80 = 25,825,625,254.80/x
  3. Step 3: Cross multiply
    79,612,689,489.36x = 119,435,805,928.80 × 25,825,625,254.80
  4. Step 4: Simplify right side
    79,612,689,489.36x = 3,084,504,365,922,208,710,656
  5. Step 5: Solve for x
    x = 3,084,504,365,922,208,710,656/79,612,689,489.36
  6. Step 6: Final answer
    x = 38,743,878,465.94

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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.