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Finding the Fourth Proportional to 555,662,245.83, 833,542,361.28 and 156,824,366.51

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Solution

The fourth proportional to 555,662,245.83, 833,542,361.28 and 156,824,366.51 is: 235,250,376.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,662,245.83 : 833,542,361.28 = 156,824,366.51 : x
  2. Step 2: Convert to fraction form
    555,662,245.83/833,542,361.28 = 156,824,366.51/x
  3. Step 3: Cross multiply
    555,662,245.83x = 833,542,361.28 × 156,824,366.51
  4. Step 4: Simplify right side
    555,662,245.83x = 130,719,752,762,881,392
  5. Step 5: Solve for x
    x = 130,719,752,762,881,392/555,662,245.83
  6. Step 6: Final answer
    x = 235,250,376.90

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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.