Home / 265,729,287.80-398,593,931.70-197,704,839.80

Finding the Fourth Proportional to 265,729,287.80, 398,593,931.70 and 197,704,839.80

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Solution

The fourth proportional to 265,729,287.80, 398,593,931.70 and 197,704,839.80 is: 296,557,259.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,729,287.80 : 398,593,931.70 = 197,704,839.80 : x
  2. Step 2: Convert to fraction form
    265,729,287.80/398,593,931.70 = 197,704,839.80/x
  3. Step 3: Cross multiply
    265,729,287.80x = 398,593,931.70 × 197,704,839.80
  4. Step 4: Simplify right side
    265,729,287.80x = 78,803,949,412,000,640
  5. Step 5: Solve for x
    x = 78,803,949,412,000,640/265,729,287.80
  6. Step 6: Final answer
    x = 296,557,259.70

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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.