Home / 491,186,724.48-677,827,321.67-268,157,627.35

Finding the Fourth Proportional to 491,186,724.48, 677,827,321.67 and 268,157,627.35

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Solution

The fourth proportional to 491,186,724.48, 677,827,321.67 and 268,157,627.35 is: 370,051,870.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,186,724.48 : 677,827,321.67 = 268,157,627.35 : x
  2. Step 2: Convert to fraction form
    491,186,724.48/677,827,321.67 = 268,157,627.35/x
  3. Step 3: Cross multiply
    491,186,724.48x = 677,827,321.67 × 268,157,627.35
  4. Step 4: Simplify right side
    491,186,724.48x = 181,764,566,328,997,056
  5. Step 5: Solve for x
    x = 181,764,566,328,997,056/491,186,724.48
  6. Step 6: Final answer
    x = 370,051,870.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.