Home / 310,717,456.40-465,686,458.20-164,790,843.92

Finding the Fourth Proportional to 310,717,456.40, 465,686,458.20 and 164,790,843.92

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Solution

The fourth proportional to 310,717,456.40, 465,686,458.20 and 164,790,843.92 is: 246,979,572.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,717,456.40 : 465,686,458.20 = 164,790,843.92 : x
  2. Step 2: Convert to fraction form
    310,717,456.40/465,686,458.20 = 164,790,843.92/x
  3. Step 3: Cross multiply
    310,717,456.40x = 465,686,458.20 × 164,790,843.92
  4. Step 4: Simplify right side
    310,717,456.40x = 76,740,864,448,893,792
  5. Step 5: Solve for x
    x = 76,740,864,448,893,792/310,717,456.40
  6. Step 6: Final answer
    x = 246,979,572.17

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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.