Home / 467,278,818.57-645,043,322.16-291,153,833.42

Finding the Fourth Proportional to 467,278,818.57, 645,043,322.16 and 291,153,833.42

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Solution

The fourth proportional to 467,278,818.57, 645,043,322.16 and 291,153,833.42 is: 401,916,004.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,278,818.57 : 645,043,322.16 = 291,153,833.42 : x
  2. Step 2: Convert to fraction form
    467,278,818.57/645,043,322.16 = 291,153,833.42/x
  3. Step 3: Cross multiply
    467,278,818.57x = 645,043,322.16 × 291,153,833.42
  4. Step 4: Simplify right side
    467,278,818.57x = 187,806,835,965,630,816
  5. Step 5: Solve for x
    x = 187,806,835,965,630,816/467,278,818.57
  6. Step 6: Final answer
    x = 401,916,004.97

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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.