Home / 279,938,393.60-419,907,590.40-247,059,910.40

Finding the Fourth Proportional to 279,938,393.60, 419,907,590.40 and 247,059,910.40

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Solution

The fourth proportional to 279,938,393.60, 419,907,590.40 and 247,059,910.40 is: 370,589,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,938,393.60 : 419,907,590.40 = 247,059,910.40 : x
  2. Step 2: Convert to fraction form
    279,938,393.60/419,907,590.40 = 247,059,910.40/x
  3. Step 3: Cross multiply
    279,938,393.60x = 419,907,590.40 × 247,059,910.40
  4. Step 4: Simplify right side
    279,938,393.60x = 103,742,331,660,503,904
  5. Step 5: Solve for x
    x = 103,742,331,660,503,904/279,938,393.60
  6. Step 6: Final answer
    x = 370,589,865.60

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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.