Home / 1,089,140,807.28-1,503,023,906.52-594,105,717.36

Finding the Fourth Proportional to 1,089,140,807.28, 1,503,023,906.52 and 594,105,717.36

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Solution

The fourth proportional to 1,089,140,807.28, 1,503,023,906.52 and 594,105,717.36 is: 819,871,122.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,140,807.28 : 1,503,023,906.52 = 594,105,717.36 : x
  2. Step 2: Convert to fraction form
    1,089,140,807.28/1,503,023,906.52 = 594,105,717.36/x
  3. Step 3: Cross multiply
    1,089,140,807.28x = 1,503,023,906.52 × 594,105,717.36
  4. Step 4: Simplify right side
    1,089,140,807.28x = 892,955,096,192,294,144
  5. Step 5: Solve for x
    x = 892,955,096,192,294,144/1,089,140,807.28
  6. Step 6: Final answer
    x = 819,871,122.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.