Home / 218,329,786,934.48-301,310,697,041.56-120,669,326,964.72

Finding the Fourth Proportional to 218,329,786,934.48, 301,310,697,041.56 and 120,669,326,964.72

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Solution

The fourth proportional to 218,329,786,934.48, 301,310,697,041.56 and 120,669,326,964.72 is: 166,532,288,286.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,329,786,934.48 : 301,310,697,041.56 = 120,669,326,964.72 : x
  2. Step 2: Convert to fraction form
    218,329,786,934.48/301,310,697,041.56 = 120,669,326,964.72/x
  3. Step 3: Cross multiply
    218,329,786,934.48x = 301,310,697,041.56 × 120,669,326,964.72
  4. Step 4: Simplify right side
    218,329,786,934.48x = 36,358,959,019,275,696,734,208
  5. Step 5: Solve for x
    x = 36,358,959,019,275,696,734,208/218,329,786,934.48
  6. Step 6: Final answer
    x = 166,532,288,286.38

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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.