Home / 443,342,414.80-663,879,881.40-327,700,853.20

Finding the Fourth Proportional to 443,342,414.80, 663,879,881.40 and 327,700,853.20

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Solution

The fourth proportional to 443,342,414.80, 663,879,881.40 and 327,700,853.20 is: 490,713,264.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,342,414.80 : 663,879,881.40 = 327,700,853.20 : x
  2. Step 2: Convert to fraction form
    443,342,414.80/663,879,881.40 = 327,700,853.20/x
  3. Step 3: Cross multiply
    443,342,414.80x = 663,879,881.40 × 327,700,853.20
  4. Step 4: Simplify right side
    443,342,414.80x = 217,554,003,557,094,784
  5. Step 5: Solve for x
    x = 217,554,003,557,094,784/443,342,414.80
  6. Step 6: Final answer
    x = 490,713,264.27

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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.