Home / 3,405,912,005.10-5,108,868,007.65-3,038,579,985.90

Finding the Fourth Proportional to 3,405,912,005.10, 5,108,868,007.65 and 3,038,579,985.90

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Solution

The fourth proportional to 3,405,912,005.10, 5,108,868,007.65 and 3,038,579,985.90 is: 4,557,869,978.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405,912,005.10 : 5,108,868,007.65 = 3,038,579,985.90 : x
  2. Step 2: Convert to fraction form
    3,405,912,005.10/5,108,868,007.65 = 3,038,579,985.90/x
  3. Step 3: Cross multiply
    3,405,912,005.10x = 5,108,868,007.65 × 3,038,579,985.90
  4. Step 4: Simplify right side
    3,405,912,005.10x = 15,523,704,078,650,097,664
  5. Step 5: Solve for x
    x = 15,523,704,078,650,097,664/3,405,912,005.10
  6. Step 6: Final answer
    x = 4,557,869,978.85

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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.