Home / 18,173,711,287.45-27,260,566,931.18-8,378,190,775.45

Finding the Fourth Proportional to 18,173,711,287.45, 27,260,566,931.18 and 8,378,190,775.45

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Solution

The fourth proportional to 18,173,711,287.45, 27,260,566,931.18 and 8,378,190,775.45 is: 12,567,286,163.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173,711,287.45 : 27,260,566,931.18 = 8,378,190,775.45 : x
  2. Step 2: Convert to fraction form
    18,173,711,287.45/27,260,566,931.18 = 8,378,190,775.45/x
  3. Step 3: Cross multiply
    18,173,711,287.45x = 27,260,566,931.18 × 8,378,190,775.45
  4. Step 4: Simplify right side
    18,173,711,287.45x = 228,394,230,396,349,579,264
  5. Step 5: Solve for x
    x = 228,394,230,396,349,579,264/18,173,711,287.45
  6. Step 6: Final answer
    x = 12,567,286,163.18

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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.