Home / 863,136,039.60-1,294,704,059.40-494,670,279.60

Finding the Fourth Proportional to 863,136,039.60, 1,294,704,059.40 and 494,670,279.60

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Solution

The fourth proportional to 863,136,039.60, 1,294,704,059.40 and 494,670,279.60 is: 742,005,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,136,039.60 : 1,294,704,059.40 = 494,670,279.60 : x
  2. Step 2: Convert to fraction form
    863,136,039.60/1,294,704,059.40 = 494,670,279.60/x
  3. Step 3: Cross multiply
    863,136,039.60x = 1,294,704,059.40 × 494,670,279.60
  4. Step 4: Simplify right side
    863,136,039.60x = 640,451,619,062,653,056
  5. Step 5: Solve for x
    x = 640,451,619,062,653,056/863,136,039.60
  6. Step 6: Final answer
    x = 742,005,419.40

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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.