Home / 967,713,387.50-1,451,578,481.88-312,664,483.78

Finding the Fourth Proportional to 967,713,387.50, 1,451,578,481.88 and 312,664,483.78

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Solution

The fourth proportional to 967,713,387.50, 1,451,578,481.88 and 312,664,483.78 is: 468,999,439.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,713,387.50 : 1,451,578,481.88 = 312,664,483.78 : x
  2. Step 2: Convert to fraction form
    967,713,387.50/1,451,578,481.88 = 312,664,483.78/x
  3. Step 3: Cross multiply
    967,713,387.50x = 1,451,578,481.88 × 312,664,483.78
  4. Step 4: Simplify right side
    967,713,387.50x = 453,857,036,703,166,272
  5. Step 5: Solve for x
    x = 453,857,036,703,166,272/967,713,387.50
  6. Step 6: Final answer
    x = 468,999,439.88

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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.