Home / 13,261,874,646.69-18,309,647,956.04-8,441,960,200.52

Finding the Fourth Proportional to 13,261,874,646.69, 18,309,647,956.04 and 8,441,960,200.52

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Solution

The fourth proportional to 13,261,874,646.69, 18,309,647,956.04 and 8,441,960,200.52 is: 11,655,163,651.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261,874,646.69 : 18,309,647,956.04 = 8,441,960,200.52 : x
  2. Step 2: Convert to fraction form
    13,261,874,646.69/18,309,647,956.04 = 8,441,960,200.52/x
  3. Step 3: Cross multiply
    13,261,874,646.69x = 18,309,647,956.04 × 8,441,960,200.52
  4. Step 4: Simplify right side
    13,261,874,646.69x = 154,569,319,330,463,121,408
  5. Step 5: Solve for x
    x = 154,569,319,330,463,121,408/13,261,874,646.69
  6. Step 6: Final answer
    x = 11,655,163,651.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.