Home / 306,726,145,889.14-423,273,961,758.86-171,396,438,365.61

Finding the Fourth Proportional to 306,726,145,889.14, 423,273,961,758.86 and 171,396,438,365.61

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Solution

The fourth proportional to 306,726,145,889.14, 423,273,961,758.86 and 171,396,438,365.61 is: 236,522,547,786.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,726,145,889.14 : 423,273,961,758.86 = 171,396,438,365.61 : x
  2. Step 2: Convert to fraction form
    306,726,145,889.14/423,273,961,758.86 = 171,396,438,365.61/x
  3. Step 3: Cross multiply
    306,726,145,889.14x = 423,273,961,758.86 × 171,396,438,365.61
  4. Step 4: Simplify right side
    306,726,145,889.14x = 72,547,649,498,370,004,746,240
  5. Step 5: Solve for x
    x = 72,547,649,498,370,004,746,240/306,726,145,889.14
  6. Step 6: Final answer
    x = 236,522,547,786.29

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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.