Home / 279,939,795.60-419,909,693.40-252,730,016.40

Finding the Fourth Proportional to 279,939,795.60, 419,909,693.40 and 252,730,016.40

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Solution

The fourth proportional to 279,939,795.60, 419,909,693.40 and 252,730,016.40 is: 379,095,024.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,939,795.60 : 419,909,693.40 = 252,730,016.40 : x
  2. Step 2: Convert to fraction form
    279,939,795.60/419,909,693.40 = 252,730,016.40/x
  3. Step 3: Cross multiply
    279,939,795.60x = 419,909,693.40 × 252,730,016.40
  4. Step 4: Simplify right side
    279,939,795.60x = 106,123,783,699,500,976
  5. Step 5: Solve for x
    x = 106,123,783,699,500,976/279,939,795.60
  6. Step 6: Final answer
    x = 379,095,024.60

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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.