Home / 7,202,823,264-9,939,896,104.32-3,906,296,928

Finding the Fourth Proportional to 7,202,823,264, 9,939,896,104.32 and 3,906,296,928

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Solution

The fourth proportional to 7,202,823,264, 9,939,896,104.32 and 3,906,296,928 is: 5,390,689,760.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,202,823,264 : 9,939,896,104.32 = 3,906,296,928 : x
  2. Step 2: Convert to fraction form
    7,202,823,264/9,939,896,104.32 = 3,906,296,928/x
  3. Step 3: Cross multiply
    7,202,823,264x = 9,939,896,104.32 × 3,906,296,928
  4. Step 4: Simplify right side
    7,202,823,264x = 38,828,185,616,944,381,952
  5. Step 5: Solve for x
    x = 38,828,185,616,944,381,952/7,202,823,264
  6. Step 6: Final answer
    x = 5,390,689,760.64

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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.