Home / 258,115,222,657.57-356,200,114,660.86-140,795,423,299.20

Finding the Fourth Proportional to 258,115,222,657.57, 356,200,114,660.86 and 140,795,423,299.20

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Solution

The fourth proportional to 258,115,222,657.57, 356,200,114,660.86 and 140,795,423,299.20 is: 194,298,288,208.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,115,222,657.57 : 356,200,114,660.86 = 140,795,423,299.20 : x
  2. Step 2: Convert to fraction form
    258,115,222,657.57/356,200,114,660.86 = 140,795,423,299.20/x
  3. Step 3: Cross multiply
    258,115,222,657.57x = 356,200,114,660.86 × 140,795,423,299.20
  4. Step 4: Simplify right side
    258,115,222,657.57x = 50,151,345,922,899,364,020,224
  5. Step 5: Solve for x
    x = 50,151,345,922,899,364,020,224/258,115,222,657.57
  6. Step 6: Final answer
    x = 194,298,288,208.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.