Home / 725,784,830.20-1,088,677,245.30-265,738,007.80

Finding the Fourth Proportional to 725,784,830.20, 1,088,677,245.30 and 265,738,007.80

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Solution

The fourth proportional to 725,784,830.20, 1,088,677,245.30 and 265,738,007.80 is: 398,607,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,784,830.20 : 1,088,677,245.30 = 265,738,007.80 : x
  2. Step 2: Convert to fraction form
    725,784,830.20/1,088,677,245.30 = 265,738,007.80/x
  3. Step 3: Cross multiply
    725,784,830.20x = 1,088,677,245.30 × 265,738,007.80
  4. Step 4: Simplify right side
    725,784,830.20x = 289,302,922,303,213,888
  5. Step 5: Solve for x
    x = 289,302,922,303,213,888/725,784,830.20
  6. Step 6: Final answer
    x = 398,607,011.70

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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.