Home / 629,861,973.60-944,792,960.40-220,770,501.60

Finding the Fourth Proportional to 629,861,973.60, 944,792,960.40 and 220,770,501.60

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Solution

The fourth proportional to 629,861,973.60, 944,792,960.40 and 220,770,501.60 is: 331,155,752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,861,973.60 : 944,792,960.40 = 220,770,501.60 : x
  2. Step 2: Convert to fraction form
    629,861,973.60/944,792,960.40 = 220,770,501.60/x
  3. Step 3: Cross multiply
    629,861,973.60x = 944,792,960.40 × 220,770,501.60
  4. Step 4: Simplify right side
    629,861,973.60x = 208,582,415,775,656,928
  5. Step 5: Solve for x
    x = 208,582,415,775,656,928/629,861,973.60
  6. Step 6: Final answer
    x = 331,155,752.40

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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.