Home / 6,405,641,804.87-9,609,911,548.64-3,457,858,151.69

Finding the Fourth Proportional to 6,405,641,804.87, 9,609,911,548.64 and 3,457,858,151.69

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Solution

The fourth proportional to 6,405,641,804.87, 9,609,911,548.64 and 3,457,858,151.69 is: 5,187,569,333.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405,641,804.87 : 9,609,911,548.64 = 3,457,858,151.69 : x
  2. Step 2: Convert to fraction form
    6,405,641,804.87/9,609,911,548.64 = 3,457,858,151.69/x
  3. Step 3: Cross multiply
    6,405,641,804.87x = 9,609,911,548.64 × 3,457,858,151.69
  4. Step 4: Simplify right side
    6,405,641,804.87x = 33,229,710,985,419,358,208
  5. Step 5: Solve for x
    x = 33,229,710,985,419,358,208/6,405,641,804.87
  6. Step 6: Final answer
    x = 5,187,569,333.05

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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.