Home / 384,033,216.42-529,965,822.33-207,821,217.24

Finding the Fourth Proportional to 384,033,216.42, 529,965,822.33 and 207,821,217.24

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Solution

The fourth proportional to 384,033,216.42, 529,965,822.33 and 207,821,217.24 is: 286,793,270.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,033,216.42 : 529,965,822.33 = 207,821,217.24 : x
  2. Step 2: Convert to fraction form
    384,033,216.42/529,965,822.33 = 207,821,217.24/x
  3. Step 3: Cross multiply
    384,033,216.42x = 529,965,822.33 × 207,821,217.24
  4. Step 4: Simplify right side
    384,033,216.42x = 110,138,142,292,218,176
  5. Step 5: Solve for x
    x = 110,138,142,292,218,176/384,033,216.42
  6. Step 6: Final answer
    x = 286,793,270.95

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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.