Home / 366,616,701.59-505,869,713.20-215,939,358.18

Finding the Fourth Proportional to 366,616,701.59, 505,869,713.20 and 215,939,358.18

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Solution

The fourth proportional to 366,616,701.59, 505,869,713.20 and 215,939,358.18 is: 297,960,187.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,616,701.59 : 505,869,713.20 = 215,939,358.18 : x
  2. Step 2: Convert to fraction form
    366,616,701.59/505,869,713.20 = 215,939,358.18/x
  3. Step 3: Cross multiply
    366,616,701.59x = 505,869,713.20 × 215,939,358.18
  4. Step 4: Simplify right side
    366,616,701.59x = 109,237,181,189,952,048
  5. Step 5: Solve for x
    x = 109,237,181,189,952,048/366,616,701.59
  6. Step 6: Final answer
    x = 297,960,187.62

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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.