Home / 211,288,416,400.80-316,932,624,601.20-211,288,416,400.80

Finding the Fourth Proportional to 211,288,416,400.80, 316,932,624,601.20 and 211,288,416,400.80

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Solution

The fourth proportional to 211,288,416,400.80, 316,932,624,601.20 and 211,288,416,400.80 is: 316,932,624,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,288,416,400.80 : 316,932,624,601.20 = 211,288,416,400.80 : x
  2. Step 2: Convert to fraction form
    211,288,416,400.80/316,932,624,601.20 = 211,288,416,400.80/x
  3. Step 3: Cross multiply
    211,288,416,400.80x = 316,932,624,601.20 × 211,288,416,400.80
  4. Step 4: Simplify right side
    211,288,416,400.80x = 66,964,192,357,736,773,582,848
  5. Step 5: Solve for x
    x = 66,964,192,357,736,773,582,848/211,288,416,400.80
  6. Step 6: Final answer
    x = 316,932,624,601.20

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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.