Home / 373,879,984.15-560,318,674.89-290,981,835.82

Finding the Fourth Proportional to 373,879,984.15, 560,318,674.89 and 290,981,835.82

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Solution

The fourth proportional to 373,879,984.15, 560,318,674.89 and 290,981,835.82 is: 436,082,602.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,879,984.15 : 560,318,674.89 = 290,981,835.82 : x
  2. Step 2: Convert to fraction form
    373,879,984.15/560,318,674.89 = 290,981,835.82/x
  3. Step 3: Cross multiply
    373,879,984.15x = 560,318,674.89 × 290,981,835.82
  4. Step 4: Simplify right side
    373,879,984.15x = 163,042,556,663,721,920
  5. Step 5: Solve for x
    x = 163,042,556,663,721,920/373,879,984.15
  6. Step 6: Final answer
    x = 436,082,602.91

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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.