Home / 6,461,371,668.76-8,916,692,920.05-3,491,147,919.76

Finding the Fourth Proportional to 6,461,371,668.76, 8,916,692,920.05 and 3,491,147,919.76

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Solution

The fourth proportional to 6,461,371,668.76, 8,916,692,920.05 and 3,491,147,919.76 is: 4,817,784,138.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,461,371,668.76 : 8,916,692,920.05 = 3,491,147,919.76 : x
  2. Step 2: Convert to fraction form
    6,461,371,668.76/8,916,692,920.05 = 3,491,147,919.76/x
  3. Step 3: Cross multiply
    6,461,371,668.76x = 8,916,692,920.05 × 3,491,147,919.76
  4. Step 4: Simplify right side
    6,461,371,668.76x = 31,129,493,938,971,275,264
  5. Step 5: Solve for x
    x = 31,129,493,938,971,275,264/6,461,371,668.76
  6. Step 6: Final answer
    x = 4,817,784,138.54

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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.