Home / 434,633,587.20-651,981,873.60-261,738,115.20

Finding the Fourth Proportional to 434,633,587.20, 651,981,873.60 and 261,738,115.20

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Solution

The fourth proportional to 434,633,587.20, 651,981,873.60 and 261,738,115.20 is: 392,626,137.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,633,587.20 : 651,981,873.60 = 261,738,115.20 : x
  2. Step 2: Convert to fraction form
    434,633,587.20/651,981,873.60 = 261,738,115.20/x
  3. Step 3: Cross multiply
    434,633,587.20x = 651,981,873.60 × 261,738,115.20
  4. Step 4: Simplify right side
    434,633,587.20x = 170,648,506,740,628,640
  5. Step 5: Solve for x
    x = 170,648,506,740,628,640/434,633,587.20
  6. Step 6: Final answer
    x = 392,626,137.89

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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.