Home / 1,174,281,452.69-1,620,514,811.03-691,494,466.73

Finding the Fourth Proportional to 1,174,281,452.69, 1,620,514,811.03 and 691,494,466.73

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Solution

The fourth proportional to 1,174,281,452.69, 1,620,514,811.03 and 691,494,466.73 is: 954,266,136.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,281,452.69 : 1,620,514,811.03 = 691,494,466.73 : x
  2. Step 2: Convert to fraction form
    1,174,281,452.69/1,620,514,811.03 = 691,494,466.73/x
  3. Step 3: Cross multiply
    1,174,281,452.69x = 1,620,514,811.03 × 691,494,466.73
  4. Step 4: Simplify right side
    1,174,281,452.69x = 1,120,577,025,069,696,640
  5. Step 5: Solve for x
    x = 1,120,577,025,069,696,640/1,174,281,452.69
  6. Step 6: Final answer
    x = 954,266,136.54

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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.