Home / 6,405,641,871.40-9,609,911,648.70-3,457,858,218.22

Finding the Fourth Proportional to 6,405,641,871.40, 9,609,911,648.70 and 3,457,858,218.22

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Solution

The fourth proportional to 6,405,641,871.40, 9,609,911,648.70 and 3,457,858,218.22 is: 5,187,569,433.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405,641,871.40 : 9,609,911,648.70 = 3,457,858,218.22 : x
  2. Step 2: Convert to fraction form
    6,405,641,871.40/9,609,911,648.70 = 3,457,858,218.22/x
  3. Step 3: Cross multiply
    6,405,641,871.40x = 9,609,911,648.70 × 3,457,858,218.22
  4. Step 4: Simplify right side
    6,405,641,871.40x = 33,229,711,970,825,404,416
  5. Step 5: Solve for x
    x = 33,229,711,970,825,404,416/6,405,641,871.40
  6. Step 6: Final answer
    x = 5,187,569,433.00

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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.