Home / 268,921,356.40-403,382,034.60-195,795,074.80

Finding the Fourth Proportional to 268,921,356.40, 403,382,034.60 and 195,795,074.80

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Solution

The fourth proportional to 268,921,356.40, 403,382,034.60 and 195,795,074.80 is: 293,692,612.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,921,356.40 : 403,382,034.60 = 195,795,074.80 : x
  2. Step 2: Convert to fraction form
    268,921,356.40/403,382,034.60 = 195,795,074.80/x
  3. Step 3: Cross multiply
    268,921,356.40x = 403,382,034.60 × 195,795,074.80
  4. Step 4: Simplify right side
    268,921,356.40x = 78,980,215,637,483,200
  5. Step 5: Solve for x
    x = 78,980,215,637,483,200/268,921,356.40
  6. Step 6: Final answer
    x = 293,692,612.20

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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.