Home / 862,772,694.80-1,294,031,476.92-317,386,682.96

Finding the Fourth Proportional to 862,772,694.80, 1,294,031,476.92 and 317,386,682.96

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Solution

The fourth proportional to 862,772,694.80, 1,294,031,476.92 and 317,386,682.96 is: 476,033,097.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,772,694.80 : 1,294,031,476.92 = 317,386,682.96 : x
  2. Step 2: Convert to fraction form
    862,772,694.80/1,294,031,476.92 = 317,386,682.96/x
  3. Step 3: Cross multiply
    862,772,694.80x = 1,294,031,476.92 × 317,386,682.96
  4. Step 4: Simplify right side
    862,772,694.80x = 410,708,358,105,468,608
  5. Step 5: Solve for x
    x = 410,708,358,105,468,608/862,772,694.80
  6. Step 6: Final answer
    x = 476,033,097.22

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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.