Home / 13,419,146,134.10-18,518,477,599.23-7,397,519,251.88

Finding the Fourth Proportional to 13,419,146,134.10, 18,518,477,599.23 and 7,397,519,251.88

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Solution

The fourth proportional to 13,419,146,134.10, 18,518,477,599.23 and 7,397,519,251.88 is: 10,208,607,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,419,146,134.10 : 18,518,477,599.23 = 7,397,519,251.88 : x
  2. Step 2: Convert to fraction form
    13,419,146,134.10/18,518,477,599.23 = 7,397,519,251.88/x
  3. Step 3: Cross multiply
    13,419,146,134.10x = 18,518,477,599.23 × 7,397,519,251.88
  4. Step 4: Simplify right side
    13,419,146,134.10x = 136,990,794,555,782,873,088
  5. Step 5: Solve for x
    x = 136,990,794,555,782,873,088/13,419,146,134.10
  6. Step 6: Final answer
    x = 10,208,607,402.20

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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.