Home / 219,929,776,778.46-329,716,639,909.14-68,758,264,136.48

Finding the Fourth Proportional to 219,929,776,778.46, 329,716,639,909.14 and 68,758,264,136.48

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Solution

The fourth proportional to 219,929,776,778.46, 329,716,639,909.14 and 68,758,264,136.48 is: 103,081,738,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,929,776,778.46 : 329,716,639,909.14 = 68,758,264,136.48 : x
  2. Step 2: Convert to fraction form
    219,929,776,778.46/329,716,639,909.14 = 68,758,264,136.48/x
  3. Step 3: Cross multiply
    219,929,776,778.46x = 329,716,639,909.14 × 68,758,264,136.48
  4. Step 4: Simplify right side
    219,929,776,778.46x = 22,670,743,817,063,667,597,312
  5. Step 5: Solve for x
    x = 22,670,743,817,063,667,597,312/219,929,776,778.46
  6. Step 6: Final answer
    x = 103,081,738,858.40

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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.