Home / 1,174,281,453.69-1,620,514,812.41-691,494,467.73

Finding the Fourth Proportional to 1,174,281,453.69, 1,620,514,812.41 and 691,494,467.73

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Solution

The fourth proportional to 1,174,281,453.69, 1,620,514,812.41 and 691,494,467.73 is: 954,266,137.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,281,453.69 : 1,620,514,812.41 = 691,494,467.73 : x
  2. Step 2: Convert to fraction form
    1,174,281,453.69/1,620,514,812.41 = 691,494,467.73/x
  3. Step 3: Cross multiply
    1,174,281,453.69x = 1,620,514,812.41 × 691,494,467.73
  4. Step 4: Simplify right side
    1,174,281,453.69x = 1,120,577,027,656,033,792
  5. Step 5: Solve for x
    x = 1,120,577,027,656,033,792/1,174,281,453.69
  6. Step 6: Final answer
    x = 954,266,137.93

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Double scale
Find fourth proportional to 1,174,281,454.69, 1,620,514,813.79 and 691,494,468.73
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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.