Home / 739,222,978.95-1,108,762,406.78-193,964,512.95

Finding the Fourth Proportional to 739,222,978.95, 1,108,762,406.78 and 193,964,512.95

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Solution

The fourth proportional to 739,222,978.95, 1,108,762,406.78 and 193,964,512.95 is: 290,927,861.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,222,978.95 : 1,108,762,406.78 = 193,964,512.95 : x
  2. Step 2: Convert to fraction form
    739,222,978.95/1,108,762,406.78 = 193,964,512.95/x
  3. Step 3: Cross multiply
    739,222,978.95x = 1,108,762,406.78 × 193,964,512.95
  4. Step 4: Simplify right side
    739,222,978.95x = 215,060,560,207,382,656
  5. Step 5: Solve for x
    x = 215,060,560,207,382,656/739,222,978.95
  6. Step 6: Final answer
    x = 290,927,861.19

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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.