Home / 279,720,801.40-419,581,202.10-170,881,684.60

Finding the Fourth Proportional to 279,720,801.40, 419,581,202.10 and 170,881,684.60

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Solution

The fourth proportional to 279,720,801.40, 419,581,202.10 and 170,881,684.60 is: 256,322,526.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,720,801.40 : 419,581,202.10 = 170,881,684.60 : x
  2. Step 2: Convert to fraction form
    279,720,801.40/419,581,202.10 = 170,881,684.60/x
  3. Step 3: Cross multiply
    279,720,801.40x = 419,581,202.10 × 170,881,684.60
  4. Step 4: Simplify right side
    279,720,801.40x = 71,698,742,641,341,056
  5. Step 5: Solve for x
    x = 71,698,742,641,341,056/279,720,801.40
  6. Step 6: Final answer
    x = 256,322,526.90

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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.