Home / 1,188,006,933.90-1,782,010,400.85-943,118,921.10

Finding the Fourth Proportional to 1,188,006,933.90, 1,782,010,400.85 and 943,118,921.10

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Solution

The fourth proportional to 1,188,006,933.90, 1,782,010,400.85 and 943,118,921.10 is: 1,414,678,381.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,006,933.90 : 1,782,010,400.85 = 943,118,921.10 : x
  2. Step 2: Convert to fraction form
    1,188,006,933.90/1,782,010,400.85 = 943,118,921.10/x
  3. Step 3: Cross multiply
    1,188,006,933.90x = 1,782,010,400.85 × 943,118,921.10
  4. Step 4: Simplify right side
    1,188,006,933.90x = 1,680,647,726,638,630,400
  5. Step 5: Solve for x
    x = 1,680,647,726,638,630,400/1,188,006,933.90
  6. Step 6: Final answer
    x = 1,414,678,381.65

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Double scale
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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.