Home / 2,989,361,781.40-4,484,042,672.10-2,158,560,066.10

Finding the Fourth Proportional to 2,989,361,781.40, 4,484,042,672.10 and 2,158,560,066.10

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Solution

The fourth proportional to 2,989,361,781.40, 4,484,042,672.10 and 2,158,560,066.10 is: 3,237,840,099.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,361,781.40 : 4,484,042,672.10 = 2,158,560,066.10 : x
  2. Step 2: Convert to fraction form
    2,989,361,781.40/4,484,042,672.10 = 2,158,560,066.10/x
  3. Step 3: Cross multiply
    2,989,361,781.40x = 4,484,042,672.10 × 2,158,560,066.10
  4. Step 4: Simplify right side
    2,989,361,781.40x = 9,679,075,446,683,396,096
  5. Step 5: Solve for x
    x = 9,679,075,446,683,396,096/2,989,361,781.40
  6. Step 6: Final answer
    x = 3,237,840,099.15

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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.