Home / 403,468,261.35-605,202,392.03-240,209,586.15

Finding the Fourth Proportional to 403,468,261.35, 605,202,392.03 and 240,209,586.15

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Solution

The fourth proportional to 403,468,261.35, 605,202,392.03 and 240,209,586.15 is: 360,314,379.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,468,261.35 : 605,202,392.03 = 240,209,586.15 : x
  2. Step 2: Convert to fraction form
    403,468,261.35/605,202,392.03 = 240,209,586.15/x
  3. Step 3: Cross multiply
    403,468,261.35x = 605,202,392.03 × 240,209,586.15
  4. Step 4: Simplify right side
    403,468,261.35x = 145,375,416,125,315,296
  5. Step 5: Solve for x
    x = 145,375,416,125,315,296/403,468,261.35
  6. Step 6: Final answer
    x = 360,314,379.23

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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.