Home / 1,368,128,934.78-2,052,164,650.41-332,995,590.78

Finding the Fourth Proportional to 1,368,128,934.78, 2,052,164,650.41 and 332,995,590.78

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Solution

The fourth proportional to 1,368,128,934.78, 2,052,164,650.41 and 332,995,590.78 is: 499,486,388.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,128,934.78 : 2,052,164,650.41 = 332,995,590.78 : x
  2. Step 2: Convert to fraction form
    1,368,128,934.78/2,052,164,650.41 = 332,995,590.78/x
  3. Step 3: Cross multiply
    1,368,128,934.78x = 2,052,164,650.41 × 332,995,590.78
  4. Step 4: Simplify right side
    1,368,128,934.78x = 683,361,780,141,110,144
  5. Step 5: Solve for x
    x = 683,361,780,141,110,144/1,368,128,934.78
  6. Step 6: Final answer
    x = 499,486,388.14

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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.