Home / 671,314,709.36-926,291,318.19-373,949,551.37

Finding the Fourth Proportional to 671,314,709.36, 926,291,318.19 and 373,949,551.37

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Solution

The fourth proportional to 671,314,709.36, 926,291,318.19 and 373,949,551.37 is: 515,981,875.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,314,709.36 : 926,291,318.19 = 373,949,551.37 : x
  2. Step 2: Convert to fraction form
    671,314,709.36/926,291,318.19 = 373,949,551.37/x
  3. Step 3: Cross multiply
    671,314,709.36x = 926,291,318.19 × 373,949,551.37
  4. Step 4: Simplify right side
    671,314,709.36x = 346,386,222,870,444,992
  5. Step 5: Solve for x
    x = 346,386,222,870,444,992/671,314,709.36
  6. Step 6: Final answer
    x = 515,981,875.63

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Double scale
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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.