Home / 1,181,151,968.40-1,771,515,376.20-743,669,737.20

Finding the Fourth Proportional to 1,181,151,968.40, 1,771,515,376.20 and 743,669,737.20

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Solution

The fourth proportional to 1,181,151,968.40, 1,771,515,376.20 and 743,669,737.20 is: 1,115,370,764.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,151,968.40 : 1,771,515,376.20 = 743,669,737.20 : x
  2. Step 2: Convert to fraction form
    1,181,151,968.40/1,771,515,376.20 = 743,669,737.20/x
  3. Step 3: Cross multiply
    1,181,151,968.40x = 1,771,515,376.20 × 743,669,737.20
  4. Step 4: Simplify right side
    1,181,151,968.40x = 1,317,422,374,264,413,184
  5. Step 5: Solve for x
    x = 1,317,422,374,264,413,184/1,181,151,968.40
  6. Step 6: Final answer
    x = 1,115,370,764.74

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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.