Home / 367,009,215.10-550,513,822.65-221,890,392.70

Finding the Fourth Proportional to 367,009,215.10, 550,513,822.65 and 221,890,392.70

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Solution

The fourth proportional to 367,009,215.10, 550,513,822.65 and 221,890,392.70 is: 332,835,589.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,009,215.10 : 550,513,822.65 = 221,890,392.70 : x
  2. Step 2: Convert to fraction form
    367,009,215.10/550,513,822.65 = 221,890,392.70/x
  3. Step 3: Cross multiply
    367,009,215.10x = 550,513,822.65 × 221,890,392.70
  4. Step 4: Simplify right side
    367,009,215.10x = 122,153,728,294,586,640
  5. Step 5: Solve for x
    x = 122,153,728,294,586,640/367,009,215.10
  6. Step 6: Final answer
    x = 332,835,589.05

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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.