Home / 2,511,631,912.53-3,768,015,450.66-830,913,457.15

Finding the Fourth Proportional to 2,511,631,912.53, 3,768,015,450.66 and 830,913,457.15

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Solution

The fourth proportional to 2,511,631,912.53, 3,768,015,450.66 and 830,913,457.15 is: 1,246,557,956.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511,631,912.53 : 3,768,015,450.66 = 830,913,457.15 : x
  2. Step 2: Convert to fraction form
    2,511,631,912.53/3,768,015,450.66 = 830,913,457.15/x
  3. Step 3: Cross multiply
    2,511,631,912.53x = 3,768,015,450.66 × 830,913,457.15
  4. Step 4: Simplify right side
    2,511,631,912.53x = 3,130,894,744,702,515,712
  5. Step 5: Solve for x
    x = 3,130,894,744,702,515,712/2,511,631,912.53
  6. Step 6: Final answer
    x = 1,246,557,956.63

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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.