Home / 2,940,765,005.10-4,405,100,890.05-2,021,679,129.90

Finding the Fourth Proportional to 2,940,765,005.10, 4,405,100,890.05 and 2,021,679,129.90

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Solution

The fourth proportional to 2,940,765,005.10, 4,405,100,890.05 and 2,021,679,129.90 is: 3,028,361,844.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940,765,005.10 : 4,405,100,890.05 = 2,021,679,129.90 : x
  2. Step 2: Convert to fraction form
    2,940,765,005.10/4,405,100,890.05 = 2,021,679,129.90/x
  3. Step 3: Cross multiply
    2,940,765,005.10x = 4,405,100,890.05 × 2,021,679,129.90
  4. Step 4: Simplify right side
    2,940,765,005.10x = 8,905,700,534,518,000,640
  5. Step 5: Solve for x
    x = 8,905,700,534,518,000,640/2,940,765,005.10
  6. Step 6: Final answer
    x = 3,028,361,844.31

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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.