Home / 9,050,821,912.30-12,491,221,566.99-5,482,424,116.66

Finding the Fourth Proportional to 9,050,821,912.30, 12,491,221,566.99 and 5,482,424,116.66

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Solution

The fourth proportional to 9,050,821,912.30, 12,491,221,566.99 and 5,482,424,116.66 is: 7,566,403,916.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,050,821,912.30 : 12,491,221,566.99 = 5,482,424,116.66 : x
  2. Step 2: Convert to fraction form
    9,050,821,912.30/12,491,221,566.99 = 5,482,424,116.66/x
  3. Step 3: Cross multiply
    9,050,821,912.30x = 12,491,221,566.99 × 5,482,424,116.66
  4. Step 4: Simplify right side
    9,050,821,912.30x = 68,482,174,365,409,484,800
  5. Step 5: Solve for x
    x = 68,482,174,365,409,484,800/9,050,821,912.30
  6. Step 6: Final answer
    x = 7,566,403,916.57

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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.