Home / 434,633,590.20-651,981,878.10-261,738,118.20

Finding the Fourth Proportional to 434,633,590.20, 651,981,878.10 and 261,738,118.20

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Solution

The fourth proportional to 434,633,590.20, 651,981,878.10 and 261,738,118.20 is: 392,626,142.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,633,590.20 : 651,981,878.10 = 261,738,118.20 : x
  2. Step 2: Convert to fraction form
    434,633,590.20/651,981,878.10 = 261,738,118.20/x
  3. Step 3: Cross multiply
    434,633,590.20x = 651,981,878.10 × 261,738,118.20
  4. Step 4: Simplify right side
    434,633,590.20x = 170,648,509,874,395,776
  5. Step 5: Solve for x
    x = 170,648,509,874,395,776/434,633,590.20
  6. Step 6: Final answer
    x = 392,626,142.39

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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.