Home / 434,336,600.80-651,504,901.20-262,007,999.20

Finding the Fourth Proportional to 434,336,600.80, 651,504,901.20 and 262,007,999.20

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Solution

The fourth proportional to 434,336,600.80, 651,504,901.20 and 262,007,999.20 is: 393,011,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,336,600.80 : 651,504,901.20 = 262,007,999.20 : x
  2. Step 2: Convert to fraction form
    434,336,600.80/651,504,901.20 = 262,007,999.20/x
  3. Step 3: Cross multiply
    434,336,600.80x = 651,504,901.20 × 262,007,999.20
  4. Step 4: Simplify right side
    434,336,600.80x = 170,699,495,632,405,696
  5. Step 5: Solve for x
    x = 170,699,495,632,405,696/434,336,600.80
  6. Step 6: Final answer
    x = 393,011,998.80

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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.