Home / 281,926,645.60-422,889,968.40-262,794,769.60

Finding the Fourth Proportional to 281,926,645.60, 422,889,968.40 and 262,794,769.60

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Solution

The fourth proportional to 281,926,645.60, 422,889,968.40 and 262,794,769.60 is: 394,192,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,926,645.60 : 422,889,968.40 = 262,794,769.60 : x
  2. Step 2: Convert to fraction form
    281,926,645.60/422,889,968.40 = 262,794,769.60/x
  3. Step 3: Cross multiply
    281,926,645.60x = 422,889,968.40 × 262,794,769.60
  4. Step 4: Simplify right side
    281,926,645.60x = 111,133,271,811,829,264
  5. Step 5: Solve for x
    x = 111,133,271,811,829,264/281,926,645.60
  6. Step 6: Final answer
    x = 394,192,154.40

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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.