Home / 31,491,084,821.60-47,236,627,232.40-12,852,386,069.60

Finding the Fourth Proportional to 31,491,084,821.60, 47,236,627,232.40 and 12,852,386,069.60

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Solution

The fourth proportional to 31,491,084,821.60, 47,236,627,232.40 and 12,852,386,069.60 is: 19,278,579,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,491,084,821.60 : 47,236,627,232.40 = 12,852,386,069.60 : x
  2. Step 2: Convert to fraction form
    31,491,084,821.60/47,236,627,232.40 = 12,852,386,069.60/x
  3. Step 3: Cross multiply
    31,491,084,821.60x = 47,236,627,232.40 × 12,852,386,069.60
  4. Step 4: Simplify right side
    31,491,084,821.60x = 607,103,369,816,585,797,632
  5. Step 5: Solve for x
    x = 607,103,369,816,585,797,632/31,491,084,821.60
  6. Step 6: Final answer
    x = 19,278,579,104.40

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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.