Home / 219,929,776,280.76-329,716,639,162.28-68,758,263,638.55

Finding the Fourth Proportional to 219,929,776,280.76, 329,716,639,162.28 and 68,758,263,638.55

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Solution

The fourth proportional to 219,929,776,280.76, 329,716,639,162.28 and 68,758,263,638.55 is: 103,081,738,111.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,929,776,280.76 : 329,716,639,162.28 = 68,758,263,638.55 : x
  2. Step 2: Convert to fraction form
    219,929,776,280.76/329,716,639,162.28 = 68,758,263,638.55/x
  3. Step 3: Cross multiply
    219,929,776,280.76x = 329,716,639,162.28 × 68,758,263,638.55
  4. Step 4: Simplify right side
    219,929,776,280.76x = 22,670,743,601,536,709,951,488
  5. Step 5: Solve for x
    x = 22,670,743,601,536,709,951,488/219,929,776,280.76
  6. Step 6: Final answer
    x = 103,081,738,111.69

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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.