Home / 42,394,019,439.74-63,609,807,946.82-22,220,650,995.62

Finding the Fourth Proportional to 42,394,019,439.74, 63,609,807,946.82 and 22,220,650,995.62

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Solution

The fourth proportional to 42,394,019,439.74, 63,609,807,946.82 and 22,220,650,995.62 is: 33,340,819,317.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,394,019,439.74 : 63,609,807,946.82 = 22,220,650,995.62 : x
  2. Step 2: Convert to fraction form
    42,394,019,439.74/63,609,807,946.82 = 22,220,650,995.62/x
  3. Step 3: Cross multiply
    42,394,019,439.74x = 63,609,807,946.82 × 22,220,650,995.62
  4. Step 4: Simplify right side
    42,394,019,439.74x = 1,413,451,342,284,273,745,920
  5. Step 5: Solve for x
    x = 1,413,451,342,284,273,745,920/42,394,019,439.74
  6. Step 6: Final answer
    x = 33,340,819,317.54

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1.5x scale

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.