Home / 1,138,179,849.54-1,570,207,231.50-761,957,650.11

Finding the Fourth Proportional to 1,138,179,849.54, 1,570,207,231.50 and 761,957,650.11

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Solution

The fourth proportional to 1,138,179,849.54, 1,570,207,231.50 and 761,957,650.11 is: 1,051,179,576.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,179,849.54 : 1,570,207,231.50 = 761,957,650.11 : x
  2. Step 2: Convert to fraction form
    1,138,179,849.54/1,570,207,231.50 = 761,957,650.11/x
  3. Step 3: Cross multiply
    1,138,179,849.54x = 1,570,207,231.50 × 761,957,650.11
  4. Step 4: Simplify right side
    1,138,179,849.54x = 1,196,431,412,299,468,800
  5. Step 5: Solve for x
    x = 1,196,431,412,299,468,800/1,138,179,849.54
  6. Step 6: Final answer
    x = 1,051,179,576.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.