Home / 903,996,452.49-1,356,060,445.20-378,838,413.78

Finding the Fourth Proportional to 903,996,452.49, 1,356,060,445.20 and 378,838,413.78

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Solution

The fourth proportional to 903,996,452.49, 1,356,060,445.20 and 378,838,413.78 is: 568,285,181.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,996,452.49 : 1,356,060,445.20 = 378,838,413.78 : x
  2. Step 2: Convert to fraction form
    903,996,452.49/1,356,060,445.20 = 378,838,413.78/x
  3. Step 3: Cross multiply
    903,996,452.49x = 1,356,060,445.20 × 378,838,413.78
  4. Step 4: Simplify right side
    903,996,452.49x = 513,727,788,049,368,576
  5. Step 5: Solve for x
    x = 513,727,788,049,368,576/903,996,452.49
  6. Step 6: Final answer
    x = 568,285,181.47

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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.