Home / 1,099,773,872.68-1,650,394,315.77-400,265,813.82

Finding the Fourth Proportional to 1,099,773,872.68, 1,650,394,315.77 and 400,265,813.82

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Solution

The fourth proportional to 1,099,773,872.68, 1,650,394,315.77 and 400,265,813.82 is: 600,665,682.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,773,872.68 : 1,650,394,315.77 = 400,265,813.82 : x
  2. Step 2: Convert to fraction form
    1,099,773,872.68/1,650,394,315.77 = 400,265,813.82/x
  3. Step 3: Cross multiply
    1,099,773,872.68x = 1,650,394,315.77 × 400,265,813.82
  4. Step 4: Simplify right side
    1,099,773,872.68x = 660,596,423,920,973,952
  5. Step 5: Solve for x
    x = 660,596,423,920,973,952/1,099,773,872.68
  6. Step 6: Final answer
    x = 600,665,682.58

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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.