Home / 264,404,729.40-396,670,079.70-127,977,919.80

Finding the Fourth Proportional to 264,404,729.40, 396,670,079.70 and 127,977,919.80

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Solution

The fourth proportional to 264,404,729.40, 396,670,079.70 and 127,977,919.80 is: 191,997,366.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,404,729.40 : 396,670,079.70 = 127,977,919.80 : x
  2. Step 2: Convert to fraction form
    264,404,729.40/396,670,079.70 = 127,977,919.80/x
  3. Step 3: Cross multiply
    264,404,729.40x = 396,670,079.70 × 127,977,919.80
  4. Step 4: Simplify right side
    264,404,729.40x = 50,765,011,646,906,208
  5. Step 5: Solve for x
    x = 50,765,011,646,906,208/264,404,729.40
  6. Step 6: Final answer
    x = 191,997,366.17

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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.