Home / 13,658,154,468-18,842,481,639.92-9,143,488,078.80

Finding the Fourth Proportional to 13,658,154,468, 18,842,481,639.92 and 9,143,488,078.80

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Solution

The fourth proportional to 13,658,154,468, 18,842,481,639.92 and 9,143,488,078.80 is: 12,614,149,785.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,658,154,468 : 18,842,481,639.92 = 9,143,488,078.80 : x
  2. Step 2: Convert to fraction form
    13,658,154,468/18,842,481,639.92 = 9,143,488,078.80/x
  3. Step 3: Cross multiply
    13,658,154,468x = 18,842,481,639.92 × 9,143,488,078.80
  4. Step 4: Simplify right side
    13,658,154,468x = 172,286,006,249,616,375,808
  5. Step 5: Solve for x
    x = 172,286,006,249,616,375,808/13,658,154,468
  6. Step 6: Final answer
    x = 12,614,149,785.26

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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.