Home / 321,012,850.49-480,701,847.42-211,506,027.87

Finding the Fourth Proportional to 321,012,850.49, 480,701,847.42 and 211,506,027.87

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Solution

The fourth proportional to 321,012,850.49, 480,701,847.42 and 211,506,027.87 is: 316,720,462.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,012,850.49 : 480,701,847.42 = 211,506,027.87 : x
  2. Step 2: Convert to fraction form
    321,012,850.49/480,701,847.42 = 211,506,027.87/x
  3. Step 3: Cross multiply
    321,012,850.49x = 480,701,847.42 × 211,506,027.87
  4. Step 4: Simplify right side
    321,012,850.49x = 101,671,338,337,575,008
  5. Step 5: Solve for x
    x = 101,671,338,337,575,008/321,012,850.49
  6. Step 6: Final answer
    x = 316,720,462.07

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