Home / 471,463,919.22-650,620,809.32-256,881,548.15

Finding the Fourth Proportional to 471,463,919.22, 650,620,809.32 and 256,881,548.15

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Solution

The fourth proportional to 471,463,919.22, 650,620,809.32 and 256,881,548.15 is: 354,496,863.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,463,919.22 : 650,620,809.32 = 256,881,548.15 : x
  2. Step 2: Convert to fraction form
    471,463,919.22/650,620,809.32 = 256,881,548.15/x
  3. Step 3: Cross multiply
    471,463,919.22x = 650,620,809.32 × 256,881,548.15
  4. Step 4: Simplify right side
    471,463,919.22x = 167,132,480,752,190,048
  5. Step 5: Solve for x
    x = 167,132,480,752,190,048/471,463,919.22
  6. Step 6: Final answer
    x = 354,496,863.79

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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.