Home / 270,029,489.20-405,044,233.80-265,724,817.10

Finding the Fourth Proportional to 270,029,489.20, 405,044,233.80 and 265,724,817.10

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Solution

The fourth proportional to 270,029,489.20, 405,044,233.80 and 265,724,817.10 is: 398,587,225.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,029,489.20 : 405,044,233.80 = 265,724,817.10 : x
  2. Step 2: Convert to fraction form
    270,029,489.20/405,044,233.80 = 265,724,817.10/x
  3. Step 3: Cross multiply
    270,029,489.20x = 405,044,233.80 × 265,724,817.10
  4. Step 4: Simplify right side
    270,029,489.20x = 107,630,304,943,914,640
  5. Step 5: Solve for x
    x = 107,630,304,943,914,640/270,029,489.20
  6. Step 6: Final answer
    x = 398,587,225.65

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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.