Home / 748,741,418.92-1,033,232,117.16-409,648,230.77

Finding the Fourth Proportional to 748,741,418.92, 1,033,232,117.16 and 409,648,230.77

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Solution

The fourth proportional to 748,741,418.92, 1,033,232,117.16 and 409,648,230.77 is: 565,297,575.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,741,418.92 : 1,033,232,117.16 = 409,648,230.77 : x
  2. Step 2: Convert to fraction form
    748,741,418.92/1,033,232,117.16 = 409,648,230.77/x
  3. Step 3: Cross multiply
    748,741,418.92x = 1,033,232,117.16 × 409,648,230.77
  4. Step 4: Simplify right side
    748,741,418.92x = 423,261,708,765,684,864
  5. Step 5: Solve for x
    x = 423,261,708,765,684,864/748,741,418.92
  6. Step 6: Final answer
    x = 565,297,575.46

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Half scale
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Double scale
Find fourth proportional to 748,741,419.92, 1,033,232,118.54 and 409,648,231.77
Similar ratio
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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.