Home / 8,509,888,167.40-12,754,676,639.52-3,960,713,418.58

Finding the Fourth Proportional to 8,509,888,167.40, 12,754,676,639.52 and 3,960,713,418.58

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Solution

The fourth proportional to 8,509,888,167.40, 12,754,676,639.52 and 3,960,713,418.58 is: 5,936,343,453.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,509,888,167.40 : 12,754,676,639.52 = 3,960,713,418.58 : x
  2. Step 2: Convert to fraction form
    8,509,888,167.40/12,754,676,639.52 = 3,960,713,418.58/x
  3. Step 3: Cross multiply
    8,509,888,167.40x = 12,754,676,639.52 × 3,960,713,418.58
  4. Step 4: Simplify right side
    8,509,888,167.40x = 50,517,618,915,795,730,432
  5. Step 5: Solve for x
    x = 50,517,618,915,795,730,432/8,509,888,167.40
  6. Step 6: Final answer
    x = 5,936,343,453.88

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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.