Home / 455,179,942.76-628,148,313.40-246,336,085.42

Finding the Fourth Proportional to 455,179,942.76, 628,148,313.40 and 246,336,085.42

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Solution

The fourth proportional to 455,179,942.76, 628,148,313.40 and 246,336,085.42 is: 339,943,793.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,179,942.76 : 628,148,313.40 = 246,336,085.42 : x
  2. Step 2: Convert to fraction form
    455,179,942.76/628,148,313.40 = 246,336,085.42/x
  3. Step 3: Cross multiply
    455,179,942.76x = 628,148,313.40 × 246,336,085.42
  4. Step 4: Simplify right side
    455,179,942.76x = 154,735,596,587,085,888
  5. Step 5: Solve for x
    x = 154,735,596,587,085,888/455,179,942.76
  6. Step 6: Final answer
    x = 339,943,793.76

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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.