Home / 281,284,188.40-421,926,282.60-265,500,390.70

Finding the Fourth Proportional to 281,284,188.40, 421,926,282.60 and 265,500,390.70

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Solution

The fourth proportional to 281,284,188.40, 421,926,282.60 and 265,500,390.70 is: 398,250,586.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,284,188.40 : 421,926,282.60 = 265,500,390.70 : x
  2. Step 2: Convert to fraction form
    281,284,188.40/421,926,282.60 = 265,500,390.70/x
  3. Step 3: Cross multiply
    281,284,188.40x = 421,926,282.60 × 265,500,390.70
  4. Step 4: Simplify right side
    281,284,188.40x = 112,021,592,876,898,608
  5. Step 5: Solve for x
    x = 112,021,592,876,898,608/281,284,188.40
  6. Step 6: Final answer
    x = 398,250,586.05

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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.