Home / 247,324,661,573.71-370,774,518,564.62-85,955,103,019.68

Finding the Fourth Proportional to 247,324,661,573.71, 370,774,518,564.62 and 85,955,103,019.68

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Solution

The fourth proportional to 247,324,661,573.71, 370,774,518,564.62 and 85,955,103,019.68 is: 128,858,811,480.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,324,661,573.71 : 370,774,518,564.62 = 85,955,103,019.68 : x
  2. Step 2: Convert to fraction form
    247,324,661,573.71/370,774,518,564.62 = 85,955,103,019.68/x
  3. Step 3: Cross multiply
    247,324,661,573.71x = 370,774,518,564.62 × 85,955,103,019.68
  4. Step 4: Simplify right side
    247,324,661,573.71x = 31,869,961,940,294,162,186,240
  5. Step 5: Solve for x
    x = 31,869,961,940,294,162,186,240/247,324,661,573.71
  6. Step 6: Final answer
    x = 128,858,811,480.86

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1.5x scale

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.