Home / 493,219,944.54-680,643,465.15-294,981,408.72

Finding the Fourth Proportional to 493,219,944.54, 680,643,465.15 and 294,981,408.72

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Solution

The fourth proportional to 493,219,944.54, 680,643,465.15 and 294,981,408.72 is: 407,074,309.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,219,944.54 : 680,643,465.15 = 294,981,408.72 : x
  2. Step 2: Convert to fraction form
    493,219,944.54/680,643,465.15 = 294,981,408.72/x
  3. Step 3: Cross multiply
    493,219,944.54x = 680,643,465.15 × 294,981,408.72
  4. Step 4: Simplify right side
    493,219,944.54x = 200,777,168,186,009,248
  5. Step 5: Solve for x
    x = 200,777,168,186,009,248/493,219,944.54
  6. Step 6: Final answer
    x = 407,074,309.16

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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.