Home / 218,329,786,937.56-301,310,697,045.84-120,669,326,967.80

Finding the Fourth Proportional to 218,329,786,937.56, 301,310,697,045.84 and 120,669,326,967.80

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Solution

The fourth proportional to 218,329,786,937.56, 301,310,697,045.84 and 120,669,326,967.80 is: 166,532,288,290.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,329,786,937.56 : 301,310,697,045.84 = 120,669,326,967.80 : x
  2. Step 2: Convert to fraction form
    218,329,786,937.56/301,310,697,045.84 = 120,669,326,967.80/x
  3. Step 3: Cross multiply
    218,329,786,937.56x = 301,310,697,045.84 × 120,669,326,967.80
  4. Step 4: Simplify right side
    218,329,786,937.56x = 36,358,959,020,720,202,448,896
  5. Step 5: Solve for x
    x = 36,358,959,020,720,202,448,896/218,329,786,937.56
  6. Step 6: Final answer
    x = 166,532,288,290.64

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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.