Home / 8,928,957,948.86-12,321,161,076.03-5,170,022,218.10

Finding the Fourth Proportional to 8,928,957,948.86, 12,321,161,076.03 and 5,170,022,218.10

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Solution

The fourth proportional to 8,928,957,948.86, 12,321,161,076.03 and 5,170,022,218.10 is: 7,134,166,929.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928,957,948.86 : 12,321,161,076.03 = 5,170,022,218.10 : x
  2. Step 2: Convert to fraction form
    8,928,957,948.86/12,321,161,076.03 = 5,170,022,218.10/x
  3. Step 3: Cross multiply
    8,928,957,948.86x = 12,321,161,076.03 × 5,170,022,218.10
  4. Step 4: Simplify right side
    8,928,957,948.86x = 63,700,676,515,864,010,752
  5. Step 5: Solve for x
    x = 63,700,676,515,864,010,752/8,928,957,948.86
  6. Step 6: Final answer
    x = 7,134,166,929.75

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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.