Home / 288,016,562.70-432,024,844.05-211,489,058.70

Finding the Fourth Proportional to 288,016,562.70, 432,024,844.05 and 211,489,058.70

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Solution

The fourth proportional to 288,016,562.70, 432,024,844.05 and 211,489,058.70 is: 317,233,588.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,016,562.70 : 432,024,844.05 = 211,489,058.70 : x
  2. Step 2: Convert to fraction form
    288,016,562.70/432,024,844.05 = 211,489,058.70/x
  3. Step 3: Cross multiply
    288,016,562.70x = 432,024,844.05 × 211,489,058.70
  4. Step 4: Simplify right side
    288,016,562.70x = 91,368,527,603,148,800
  5. Step 5: Solve for x
    x = 91,368,527,603,148,800/288,016,562.70
  6. Step 6: Final answer
    x = 317,233,588.05

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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.