Home / 373,879,985.15-560,318,676.39-290,981,836.82

Finding the Fourth Proportional to 373,879,985.15, 560,318,676.39 and 290,981,836.82

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Solution

The fourth proportional to 373,879,985.15, 560,318,676.39 and 290,981,836.82 is: 436,082,604.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,879,985.15 : 560,318,676.39 = 290,981,836.82 : x
  2. Step 2: Convert to fraction form
    373,879,985.15/560,318,676.39 = 290,981,836.82/x
  3. Step 3: Cross multiply
    373,879,985.15x = 560,318,676.39 × 290,981,836.82
  4. Step 4: Simplify right side
    373,879,985.15x = 163,042,557,660,513,344
  5. Step 5: Solve for x
    x = 163,042,557,660,513,344/373,879,985.15
  6. Step 6: Final answer
    x = 436,082,604.41

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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.