Home / 1,121,641,086.44-1,680,957,732.34-872,946,647.46

Finding the Fourth Proportional to 1,121,641,086.44, 1,680,957,732.34 and 872,946,647.46

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Solution

The fourth proportional to 1,121,641,086.44, 1,680,957,732.34 and 872,946,647.46 is: 1,308,249,523.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,641,086.44 : 1,680,957,732.34 = 872,946,647.46 : x
  2. Step 2: Convert to fraction form
    1,121,641,086.44/1,680,957,732.34 = 872,946,647.46/x
  3. Step 3: Cross multiply
    1,121,641,086.44x = 1,680,957,732.34 × 872,946,647.46
  4. Step 4: Simplify right side
    1,121,641,086.44x = 1,467,386,416,968,166,912
  5. Step 5: Solve for x
    x = 1,467,386,416,968,166,912/1,121,641,086.44
  6. Step 6: Final answer
    x = 1,308,249,523.58

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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.