Home / 306,726,145,890.14-423,273,961,760.24-171,396,438,366.61

Finding the Fourth Proportional to 306,726,145,890.14, 423,273,961,760.24 and 171,396,438,366.61

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Solution

The fourth proportional to 306,726,145,890.14, 423,273,961,760.24 and 171,396,438,366.61 is: 236,522,547,787.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,726,145,890.14 : 423,273,961,760.24 = 171,396,438,366.61 : x
  2. Step 2: Convert to fraction form
    306,726,145,890.14/423,273,961,760.24 = 171,396,438,366.61/x
  3. Step 3: Cross multiply
    306,726,145,890.14x = 423,273,961,760.24 × 171,396,438,366.61
  4. Step 4: Simplify right side
    306,726,145,890.14x = 72,547,649,499,029,802,319,872
  5. Step 5: Solve for x
    x = 72,547,649,499,029,802,319,872/306,726,145,890.14
  6. Step 6: Final answer
    x = 236,522,547,787.67

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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.