Home / 493,121,710.37-680,180,214.15-317,132,333.21

Finding the Fourth Proportional to 493,121,710.37, 680,180,214.15 and 317,132,333.21

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Solution

The fourth proportional to 493,121,710.37, 680,180,214.15 and 317,132,333.21 is: 437,431,842.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,121,710.37 : 680,180,214.15 = 317,132,333.21 : x
  2. Step 2: Convert to fraction form
    493,121,710.37/680,180,214.15 = 317,132,333.21/x
  3. Step 3: Cross multiply
    493,121,710.37x = 680,180,214.15 × 317,132,333.21
  4. Step 4: Simplify right side
    493,121,710.37x = 215,707,138,318,367,392
  5. Step 5: Solve for x
    x = 215,707,138,318,367,392/493,121,710.37
  6. Step 6: Final answer
    x = 437,431,842.45

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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.