Home / 291,562,538,763.78-436,866,222,432.05-155,279,970,024.45

Finding the Fourth Proportional to 291,562,538,763.78, 436,866,222,432.05 and 155,279,970,024.45

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Solution

The fourth proportional to 291,562,538,763.78, 436,866,222,432.05 and 155,279,970,024.45 is: 232,665,603,103.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,562,538,763.78 : 436,866,222,432.05 = 155,279,970,024.45 : x
  2. Step 2: Convert to fraction form
    291,562,538,763.78/436,866,222,432.05 = 155,279,970,024.45/x
  3. Step 3: Cross multiply
    291,562,538,763.78x = 436,866,222,432.05 × 155,279,970,024.45
  4. Step 4: Simplify right side
    291,562,538,763.78x = 67,836,573,923,943,435,468,800
  5. Step 5: Solve for x
    x = 67,836,573,923,943,435,468,800/291,562,538,763.78
  6. Step 6: Final answer
    x = 232,665,603,103.78

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1.5x scale

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.