Home / 279,938,188.73-419,907,283.10-247,059,705.53

Finding the Fourth Proportional to 279,938,188.73, 419,907,283.10 and 247,059,705.53

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Solution

The fourth proportional to 279,938,188.73, 419,907,283.10 and 247,059,705.53 is: 370,589,558.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,938,188.73 : 419,907,283.10 = 247,059,705.53 : x
  2. Step 2: Convert to fraction form
    279,938,188.73/419,907,283.10 = 247,059,705.53/x
  3. Step 3: Cross multiply
    279,938,188.73x = 419,907,283.10 × 247,059,705.53
  4. Step 4: Simplify right side
    279,938,188.73x = 103,742,169,709,253,520
  5. Step 5: Solve for x
    x = 103,742,169,709,253,520/279,938,188.73
  6. Step 6: Final answer
    x = 370,589,558.29

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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.