Home / 9,049,322,790.75-12,487,869,768-5,239,006,409.16

Finding the Fourth Proportional to 9,049,322,790.75, 12,487,869,768 and 5,239,006,409.16

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Solution

The fourth proportional to 9,049,322,790.75, 12,487,869,768 and 5,239,006,409.16 is: 7,229,715,555.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,049,322,790.75 : 12,487,869,768 = 5,239,006,409.16 : x
  2. Step 2: Convert to fraction form
    9,049,322,790.75/12,487,869,768 = 5,239,006,409.16/x
  3. Step 3: Cross multiply
    9,049,322,790.75x = 12,487,869,768 × 5,239,006,409.16
  4. Step 4: Simplify right side
    9,049,322,790.75x = 65,424,029,751,307,403,264
  5. Step 5: Solve for x
    x = 65,424,029,751,307,403,264/9,049,322,790.75
  6. Step 6: Final answer
    x = 7,229,715,555.97

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.