Home / 699,384,356.64-1,049,062,129.92-233,079,638.40

Finding the Fourth Proportional to 699,384,356.64, 1,049,062,129.92 and 233,079,638.40

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Solution

The fourth proportional to 699,384,356.64, 1,049,062,129.92 and 233,079,638.40 is: 349,614,656.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,384,356.64 : 1,049,062,129.92 = 233,079,638.40 : x
  2. Step 2: Convert to fraction form
    699,384,356.64/1,049,062,129.92 = 233,079,638.40/x
  3. Step 3: Cross multiply
    699,384,356.64x = 1,049,062,129.92 × 233,079,638.40
  4. Step 4: Simplify right side
    699,384,356.64x = 244,515,021,900,887,424
  5. Step 5: Solve for x
    x = 244,515,021,900,887,424/699,384,356.64
  6. Step 6: Final answer
    x = 349,614,656.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.