Home / 509,315,336.34-763,972,050.95-159,588,177.53

Finding the Fourth Proportional to 509,315,336.34, 763,972,050.95 and 159,588,177.53

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Solution

The fourth proportional to 509,315,336.34, 763,972,050.95 and 159,588,177.53 is: 239,381,967.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,315,336.34 : 763,972,050.95 = 159,588,177.53 : x
  2. Step 2: Convert to fraction form
    509,315,336.34/763,972,050.95 = 159,588,177.53/x
  3. Step 3: Cross multiply
    509,315,336.34x = 763,972,050.95 × 159,588,177.53
  4. Step 4: Simplify right side
    509,315,336.34x = 121,920,907,297,275,696
  5. Step 5: Solve for x
    x = 121,920,907,297,275,696/509,315,336.34
  6. Step 6: Final answer
    x = 239,381,967.51

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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.