Home / 7,725,565,667.40-10,661,538,136.86-4,339,071,733.11

Finding the Fourth Proportional to 7,725,565,667.40, 10,661,538,136.86 and 4,339,071,733.11

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Solution

The fourth proportional to 7,725,565,667.40, 10,661,538,136.86 and 4,339,071,733.11 is: 5,988,063,625.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725,565,667.40 : 10,661,538,136.86 = 4,339,071,733.11 : x
  2. Step 2: Convert to fraction form
    7,725,565,667.40/10,661,538,136.86 = 4,339,071,733.11/x
  3. Step 3: Cross multiply
    7,725,565,667.40x = 10,661,538,136.86 × 4,339,071,733.11
  4. Step 4: Simplify right side
    7,725,565,667.40x = 46,261,178,761,123,479,552
  5. Step 5: Solve for x
    x = 46,261,178,761,123,479,552/7,725,565,667.40
  6. Step 6: Final answer
    x = 5,988,063,625.73

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1.5x scale

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.