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Finding the Fourth Proportional to 606,481,309.92, 907,328,362.38 and 459,352,700.13

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Solution

The fourth proportional to 606,481,309.92, 907,328,362.38 and 459,352,700.13 is: 687,216,120.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,481,309.92 : 907,328,362.38 = 459,352,700.13 : x
  2. Step 2: Convert to fraction form
    606,481,309.92/907,328,362.38 = 459,352,700.13/x
  3. Step 3: Cross multiply
    606,481,309.92x = 907,328,362.38 × 459,352,700.13
  4. Step 4: Simplify right side
    606,481,309.92x = 416,783,733,163,784,128
  5. Step 5: Solve for x
    x = 416,783,733,163,784,128/606,481,309.92
  6. Step 6: Final answer
    x = 687,216,120.84

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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.