Home / 725,784,830.70-1,088,677,246.05-265,738,008.30

Finding the Fourth Proportional to 725,784,830.70, 1,088,677,246.05 and 265,738,008.30

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Solution

The fourth proportional to 725,784,830.70, 1,088,677,246.05 and 265,738,008.30 is: 398,607,012.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,784,830.70 : 1,088,677,246.05 = 265,738,008.30 : x
  2. Step 2: Convert to fraction form
    725,784,830.70/1,088,677,246.05 = 265,738,008.30/x
  3. Step 3: Cross multiply
    725,784,830.70x = 1,088,677,246.05 × 265,738,008.30
  4. Step 4: Simplify right side
    725,784,830.70x = 289,302,923,046,856,064
  5. Step 5: Solve for x
    x = 289,302,923,046,856,064/725,784,830.70
  6. Step 6: Final answer
    x = 398,607,012.45

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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.