Home / 256,026,074.86-383,883,598.26-100,393,432.70

Finding the Fourth Proportional to 256,026,074.86, 383,883,598.26 and 100,393,432.70

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Solution

The fourth proportional to 256,026,074.86, 383,883,598.26 and 100,393,432.70 is: 150,529,168.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,026,074.86 : 383,883,598.26 = 100,393,432.70 : x
  2. Step 2: Convert to fraction form
    256,026,074.86/383,883,598.26 = 100,393,432.70/x
  3. Step 3: Cross multiply
    256,026,074.86x = 383,883,598.26 × 100,393,432.70
  4. Step 4: Simplify right side
    256,026,074.86x = 38,539,392,184,629,728
  5. Step 5: Solve for x
    x = 38,539,392,184,629,728/256,026,074.86
  6. Step 6: Final answer
    x = 150,529,168.58

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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.