Home / 509,315,536.08-763,972,351.20-159,588,377.58

Finding the Fourth Proportional to 509,315,536.08, 763,972,351.20 and 159,588,377.58

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Solution

The fourth proportional to 509,315,536.08, 763,972,351.20 and 159,588,377.58 is: 239,382,267.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,315,536.08 : 763,972,351.20 = 159,588,377.58 : x
  2. Step 2: Convert to fraction form
    509,315,536.08/763,972,351.20 = 159,588,377.58/x
  3. Step 3: Cross multiply
    509,315,536.08x = 763,972,351.20 × 159,588,377.58
  4. Step 4: Simplify right side
    509,315,536.08x = 121,921,108,043,985,984
  5. Step 5: Solve for x
    x = 121,921,108,043,985,984/509,315,536.08
  6. Step 6: Final answer
    x = 239,382,267.78

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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.