Home / 6,405,641,845.90-9,609,911,610.45-3,457,858,192.72

Finding the Fourth Proportional to 6,405,641,845.90, 9,609,911,610.45 and 3,457,858,192.72

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Solution

The fourth proportional to 6,405,641,845.90, 9,609,911,610.45 and 3,457,858,192.72 is: 5,187,569,394.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405,641,845.90 : 9,609,911,610.45 = 3,457,858,192.72 : x
  2. Step 2: Convert to fraction form
    6,405,641,845.90/9,609,911,610.45 = 3,457,858,192.72/x
  3. Step 3: Cross multiply
    6,405,641,845.90x = 9,609,911,610.45 × 3,457,858,192.72
  4. Step 4: Simplify right side
    6,405,641,845.90x = 33,229,711,593,509,580,800
  5. Step 5: Solve for x
    x = 33,229,711,593,509,580,800/6,405,641,845.90
  6. Step 6: Final answer
    x = 5,187,569,394.75

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1.5x scale

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.