Home / 726,084,118.40-1,089,126,177.60-180,825,652.40

Finding the Fourth Proportional to 726,084,118.40, 1,089,126,177.60 and 180,825,652.40

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Solution

The fourth proportional to 726,084,118.40, 1,089,126,177.60 and 180,825,652.40 is: 271,238,478.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,084,118.40 : 1,089,126,177.60 = 180,825,652.40 : x
  2. Step 2: Convert to fraction form
    726,084,118.40/1,089,126,177.60 = 180,825,652.40/x
  3. Step 3: Cross multiply
    726,084,118.40x = 1,089,126,177.60 × 180,825,652.40
  4. Step 4: Simplify right side
    726,084,118.40x = 196,941,951,610,438,240
  5. Step 5: Solve for x
    x = 196,941,951,610,438,240/726,084,118.40
  6. Step 6: Final answer
    x = 271,238,478.60

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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.