Home / 13,226,965,965.72-18,253,204,985.42-7,286,518,467.72

Finding the Fourth Proportional to 13,226,965,965.72, 18,253,204,985.42 and 7,286,518,467.72

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Solution

The fourth proportional to 13,226,965,965.72, 18,253,204,985.42 and 7,286,518,467.72 is: 10,055,391,052.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226,965,965.72 : 18,253,204,985.42 = 7,286,518,467.72 : x
  2. Step 2: Convert to fraction form
    13,226,965,965.72/18,253,204,985.42 = 7,286,518,467.72/x
  3. Step 3: Cross multiply
    13,226,965,965.72x = 18,253,204,985.42 × 7,286,518,467.72
  4. Step 4: Simplify right side
    13,226,965,965.72x = 133,002,315,221,341,601,792
  5. Step 5: Solve for x
    x = 133,002,315,221,341,601,792/13,226,965,965.72
  6. Step 6: Final answer
    x = 10,055,391,052.34

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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.