Home / 410,105,623.82-565,947,486.45-221,933,926.82

Finding the Fourth Proportional to 410,105,623.82, 565,947,486.45 and 221,933,926.82

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Solution

The fourth proportional to 410,105,623.82, 565,947,486.45 and 221,933,926.82 is: 306,269,752.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,105,623.82 : 565,947,486.45 = 221,933,926.82 : x
  2. Step 2: Convert to fraction form
    410,105,623.82/565,947,486.45 = 221,933,926.82/x
  3. Step 3: Cross multiply
    410,105,623.82x = 565,947,486.45 × 221,933,926.82
  4. Step 4: Simplify right side
    410,105,623.82x = 125,602,948,041,757,248
  5. Step 5: Solve for x
    x = 125,602,948,041,757,248/410,105,623.82
  6. Step 6: Final answer
    x = 306,269,752.83

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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.