Home / 12,020,118,515.73-18,030,178,334.39-8,234,778,200.45

Finding the Fourth Proportional to 12,020,118,515.73, 18,030,178,334.39 and 8,234,778,200.45

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Solution

The fourth proportional to 12,020,118,515.73, 18,030,178,334.39 and 8,234,778,200.45 is: 12,352,167,684.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020,118,515.73 : 18,030,178,334.39 = 8,234,778,200.45 : x
  2. Step 2: Convert to fraction form
    12,020,118,515.73/18,030,178,334.39 = 8,234,778,200.45/x
  3. Step 3: Cross multiply
    12,020,118,515.73x = 18,030,178,334.39 × 8,234,778,200.45
  4. Step 4: Simplify right side
    12,020,118,515.73x = 148,474,519,498,129,309,696
  5. Step 5: Solve for x
    x = 148,474,519,498,129,309,696/12,020,118,515.73
  6. Step 6: Final answer
    x = 12,352,167,684.86

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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.