Home / 331,776,186.30-497,664,279.45-211,142,432.70

Finding the Fourth Proportional to 331,776,186.30, 497,664,279.45 and 211,142,432.70

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Solution

The fourth proportional to 331,776,186.30, 497,664,279.45 and 211,142,432.70 is: 316,713,649.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,186.30 : 497,664,279.45 = 211,142,432.70 : x
  2. Step 2: Convert to fraction form
    331,776,186.30/497,664,279.45 = 211,142,432.70/x
  3. Step 3: Cross multiply
    331,776,186.30x = 497,664,279.45 × 211,142,432.70
  4. Step 4: Simplify right side
    331,776,186.30x = 105,078,046,630,965,616
  5. Step 5: Solve for x
    x = 105,078,046,630,965,616/331,776,186.30
  6. Step 6: Final answer
    x = 316,713,649.05

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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.