Home / 218,329,786,940.58-301,310,697,049.94-120,669,326,970.78

Finding the Fourth Proportional to 218,329,786,940.58, 301,310,697,049.94 and 120,669,326,970.78

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Solution

The fourth proportional to 218,329,786,940.58, 301,310,697,049.94 and 120,669,326,970.78 is: 166,532,288,294.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,329,786,940.58 : 301,310,697,049.94 = 120,669,326,970.78 : x
  2. Step 2: Convert to fraction form
    218,329,786,940.58/301,310,697,049.94 = 120,669,326,970.78/x
  3. Step 3: Cross multiply
    218,329,786,940.58x = 301,310,697,049.94 × 120,669,326,970.78
  4. Step 4: Simplify right side
    218,329,786,940.58x = 36,358,959,022,112,845,594,624
  5. Step 5: Solve for x
    x = 36,358,959,022,112,845,594,624/218,329,786,940.58
  6. Step 6: Final answer
    x = 166,532,288,294.72

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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.