Home / 455,540,700.76-628,642,881.24-246,691,998.52

Finding the Fourth Proportional to 455,540,700.76, 628,642,881.24 and 246,691,998.52

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Solution

The fourth proportional to 455,540,700.76, 628,642,881.24 and 246,691,998.52 is: 340,433,178.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,540,700.76 : 628,642,881.24 = 246,691,998.52 : x
  2. Step 2: Convert to fraction form
    455,540,700.76/628,642,881.24 = 246,691,998.52/x
  3. Step 3: Cross multiply
    455,540,700.76x = 628,642,881.24 × 246,691,998.52
  4. Step 4: Simplify right side
    455,540,700.76x = 155,081,168,728,466,624
  5. Step 5: Solve for x
    x = 155,081,168,728,466,624/455,540,700.76
  6. Step 6: Final answer
    x = 340,433,178.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.