Home / 315,237,047.10-472,855,581.58-229,520,928.21

Finding the Fourth Proportional to 315,237,047.10, 472,855,581.58 and 229,520,928.21

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Solution

The fourth proportional to 315,237,047.10, 472,855,581.58 and 229,520,928.21 is: 344,281,400.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,237,047.10 : 472,855,581.58 = 229,520,928.21 : x
  2. Step 2: Convert to fraction form
    315,237,047.10/472,855,581.58 = 229,520,928.21/x
  3. Step 3: Cross multiply
    315,237,047.10x = 472,855,581.58 × 229,520,928.21
  4. Step 4: Simplify right side
    315,237,047.10x = 108,530,251,993,520,976
  5. Step 5: Solve for x
    x = 108,530,251,993,520,976/315,237,047.10
  6. Step 6: Final answer
    x = 344,281,400.27

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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.