Home / 311,325,062.85-429,633,693.72-185,888,218.93

Finding the Fourth Proportional to 311,325,062.85, 429,633,693.72 and 185,888,218.93

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Solution

The fourth proportional to 311,325,062.85, 429,633,693.72 and 185,888,218.93 is: 256,528,791.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,325,062.85 : 429,633,693.72 = 185,888,218.93 : x
  2. Step 2: Convert to fraction form
    311,325,062.85/429,633,693.72 = 185,888,218.93/x
  3. Step 3: Cross multiply
    311,325,062.85x = 429,633,693.72 × 185,888,218.93
  4. Step 4: Simplify right side
    311,325,062.85x = 79,863,842,116,853,856
  5. Step 5: Solve for x
    x = 79,863,842,116,853,856/311,325,062.85
  6. Step 6: Final answer
    x = 256,528,791.44

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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.