Home / 291,344,493.20-437,016,739.80-277,907,565.20

Finding the Fourth Proportional to 291,344,493.20, 437,016,739.80 and 277,907,565.20

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Solution

The fourth proportional to 291,344,493.20, 437,016,739.80 and 277,907,565.20 is: 416,861,347.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,344,493.20 : 437,016,739.80 = 277,907,565.20 : x
  2. Step 2: Convert to fraction form
    291,344,493.20/437,016,739.80 = 277,907,565.20/x
  3. Step 3: Cross multiply
    291,344,493.20x = 437,016,739.80 × 277,907,565.20
  4. Step 4: Simplify right side
    291,344,493.20x = 121,450,258,109,459,936
  5. Step 5: Solve for x
    x = 121,450,258,109,459,936/291,344,493.20
  6. Step 6: Final answer
    x = 416,861,347.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.