Home / 469,125,884.21-647,233,366.07-268,038,475.61

Finding the Fourth Proportional to 469,125,884.21, 647,233,366.07 and 268,038,475.61

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Solution

The fourth proportional to 469,125,884.21, 647,233,366.07 and 268,038,475.61 is: 369,801,476.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,125,884.21 : 647,233,366.07 = 268,038,475.61 : x
  2. Step 2: Convert to fraction form
    469,125,884.21/647,233,366.07 = 268,038,475.61/x
  3. Step 3: Cross multiply
    469,125,884.21x = 647,233,366.07 × 268,038,475.61
  4. Step 4: Simplify right side
    469,125,884.21x = 173,483,444,803,991,744
  5. Step 5: Solve for x
    x = 173,483,444,803,991,744/469,125,884.21
  6. Step 6: Final answer
    x = 369,801,476.84

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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.