Home / 279,938,331.60-419,907,497.40-177,397,774.80

Finding the Fourth Proportional to 279,938,331.60, 419,907,497.40 and 177,397,774.80

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Solution

The fourth proportional to 279,938,331.60, 419,907,497.40 and 177,397,774.80 is: 266,096,662.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,938,331.60 : 419,907,497.40 = 177,397,774.80 : x
  2. Step 2: Convert to fraction form
    279,938,331.60/419,907,497.40 = 177,397,774.80/x
  3. Step 3: Cross multiply
    279,938,331.60x = 419,907,497.40 × 177,397,774.80
  4. Step 4: Simplify right side
    279,938,331.60x = 74,490,655,660,596,784
  5. Step 5: Solve for x
    x = 74,490,655,660,596,784/279,938,331.60
  6. Step 6: Final answer
    x = 266,096,662.20

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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.