Home / 509,315,497.28-763,972,292.16-159,588,338.24

Finding the Fourth Proportional to 509,315,497.28, 763,972,292.16 and 159,588,338.24

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Solution

The fourth proportional to 509,315,497.28, 763,972,292.16 and 159,588,338.24 is: 239,382,208.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,315,497.28 : 763,972,292.16 = 159,588,338.24 : x
  2. Step 2: Convert to fraction form
    509,315,497.28/763,972,292.16 = 159,588,338.24/x
  3. Step 3: Cross multiply
    509,315,497.28x = 763,972,292.16 × 159,588,338.24
  4. Step 4: Simplify right side
    509,315,497.28x = 121,921,068,567,218,176
  5. Step 5: Solve for x
    x = 121,921,068,567,218,176/509,315,497.28
  6. Step 6: Final answer
    x = 239,382,208.51

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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.