Home / 806,786,928.14-1,113,336,566.91-449,536,246.29

Finding the Fourth Proportional to 806,786,928.14, 1,113,336,566.91 and 449,536,246.29

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Solution

The fourth proportional to 806,786,928.14, 1,113,336,566.91 and 449,536,246.29 is: 620,343,641.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,786,928.14 : 1,113,336,566.91 = 449,536,246.29 : x
  2. Step 2: Convert to fraction form
    806,786,928.14/1,113,336,566.91 = 449,536,246.29/x
  3. Step 3: Cross multiply
    806,786,928.14x = 1,113,336,566.91 × 449,536,246.29
  4. Step 4: Simplify right side
    806,786,928.14x = 500,485,141,146,116,864
  5. Step 5: Solve for x
    x = 500,485,141,146,116,864/806,786,928.14
  6. Step 6: Final answer
    x = 620,343,641.79

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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.