Home / 511,523,027.77-767,279,426.51-161,769,155.44

Finding the Fourth Proportional to 511,523,027.77, 767,279,426.51 and 161,769,155.44

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Solution

The fourth proportional to 511,523,027.77, 767,279,426.51 and 161,769,155.44 is: 242,652,115.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,523,027.77 : 767,279,426.51 = 161,769,155.44 : x
  2. Step 2: Convert to fraction form
    511,523,027.77/767,279,426.51 = 161,769,155.44/x
  3. Step 3: Cross multiply
    511,523,027.77x = 767,279,426.51 × 161,769,155.44
  4. Step 4: Simplify right side
    511,523,027.77x = 124,122,144,809,148,080
  5. Step 5: Solve for x
    x = 124,122,144,809,148,080/511,523,027.77
  6. Step 6: Final answer
    x = 242,652,115.49

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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.