Home / 268,936,671.40-403,405,007.10-266,921,132.20

Finding the Fourth Proportional to 268,936,671.40, 403,405,007.10 and 266,921,132.20

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Solution

The fourth proportional to 268,936,671.40, 403,405,007.10 and 266,921,132.20 is: 400,381,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,936,671.40 : 403,405,007.10 = 266,921,132.20 : x
  2. Step 2: Convert to fraction form
    268,936,671.40/403,405,007.10 = 266,921,132.20/x
  3. Step 3: Cross multiply
    268,936,671.40x = 403,405,007.10 × 266,921,132.20
  4. Step 4: Simplify right side
    268,936,671.40x = 107,677,321,230,281,040
  5. Step 5: Solve for x
    x = 107,677,321,230,281,040/268,936,671.40
  6. Step 6: Final answer
    x = 400,381,698.30

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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.