Home / 654,220,527.36-981,339,338.64-217,521,211.44

Finding the Fourth Proportional to 654,220,527.36, 981,339,338.64 and 217,521,211.44

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Solution

The fourth proportional to 654,220,527.36, 981,339,338.64 and 217,521,211.44 is: 326,284,659.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,220,527.36 : 981,339,338.64 = 217,521,211.44 : x
  2. Step 2: Convert to fraction form
    654,220,527.36/981,339,338.64 = 217,521,211.44/x
  3. Step 3: Cross multiply
    654,220,527.36x = 981,339,338.64 × 217,521,211.44
  4. Step 4: Simplify right side
    654,220,527.36x = 213,462,121,774,701,184
  5. Step 5: Solve for x
    x = 213,462,121,774,701,184/654,220,527.36
  6. Step 6: Final answer
    x = 326,284,659.14

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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.