Home / 522,088,833.15-783,121,873.38-245,586,786.74

Finding the Fourth Proportional to 522,088,833.15, 783,121,873.38 and 245,586,786.74

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Solution

The fourth proportional to 522,088,833.15, 783,121,873.38 and 245,586,786.74 is: 368,374,828.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,088,833.15 : 783,121,873.38 = 245,586,786.74 : x
  2. Step 2: Convert to fraction form
    522,088,833.15/783,121,873.38 = 245,586,786.74/x
  3. Step 3: Cross multiply
    522,088,833.15x = 783,121,873.38 × 245,586,786.74
  4. Step 4: Simplify right side
    522,088,833.15x = 192,324,384,507,303,520
  5. Step 5: Solve for x
    x = 192,324,384,507,303,520/522,088,833.15
  6. Step 6: Final answer
    x = 368,374,828.76

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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.