Home / 505,380,686.10-757,473,832.35-214,247,246.10

Finding the Fourth Proportional to 505,380,686.10, 757,473,832.35 and 214,247,246.10

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Solution

The fourth proportional to 505,380,686.10, 757,473,832.35 and 214,247,246.10 is: 321,117,698.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,380,686.10 : 757,473,832.35 = 214,247,246.10 : x
  2. Step 2: Convert to fraction form
    505,380,686.10/757,473,832.35 = 214,247,246.10/x
  3. Step 3: Cross multiply
    505,380,686.10x = 757,473,832.35 × 214,247,246.10
  4. Step 4: Simplify right side
    505,380,686.10x = 162,286,682,573,800,576
  5. Step 5: Solve for x
    x = 162,286,682,573,800,576/505,380,686.10
  6. Step 6: Final answer
    x = 321,117,698.08

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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.