Home / 489,904,315.10-734,856,472.65-198,910,843.10

Finding the Fourth Proportional to 489,904,315.10, 734,856,472.65 and 198,910,843.10

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Solution

The fourth proportional to 489,904,315.10, 734,856,472.65 and 198,910,843.10 is: 298,366,264.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,904,315.10 : 734,856,472.65 = 198,910,843.10 : x
  2. Step 2: Convert to fraction form
    489,904,315.10/734,856,472.65 = 198,910,843.10/x
  3. Step 3: Cross multiply
    489,904,315.10x = 734,856,472.65 × 198,910,843.10
  4. Step 4: Simplify right side
    489,904,315.10x = 146,170,920,532,303,584
  5. Step 5: Solve for x
    x = 146,170,920,532,303,584/489,904,315.10
  6. Step 6: Final answer
    x = 298,366,264.65

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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.