Home / 405,476,013.15-559,568,702.34-229,260,225.09

Finding the Fourth Proportional to 405,476,013.15, 559,568,702.34 and 229,260,225.09

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Solution

The fourth proportional to 405,476,013.15, 559,568,702.34 and 229,260,225.09 is: 316,385,784.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,476,013.15 : 559,568,702.34 = 229,260,225.09 : x
  2. Step 2: Convert to fraction form
    405,476,013.15/559,568,702.34 = 229,260,225.09/x
  3. Step 3: Cross multiply
    405,476,013.15x = 559,568,702.34 × 229,260,225.09
  4. Step 4: Simplify right side
    405,476,013.15x = 128,286,846,651,787,616
  5. Step 5: Solve for x
    x = 128,286,846,651,787,616/405,476,013.15
  6. Step 6: Final answer
    x = 316,385,784.83

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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.