Home / 401,524,859.20-602,287,288.80-299,488,187.20

Finding the Fourth Proportional to 401,524,859.20, 602,287,288.80 and 299,488,187.20

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Solution

The fourth proportional to 401,524,859.20, 602,287,288.80 and 299,488,187.20 is: 449,232,280.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,524,859.20 : 602,287,288.80 = 299,488,187.20 : x
  2. Step 2: Convert to fraction form
    401,524,859.20/602,287,288.80 = 299,488,187.20/x
  3. Step 3: Cross multiply
    401,524,859.20x = 602,287,288.80 × 299,488,187.20
  4. Step 4: Simplify right side
    401,524,859.20x = 180,377,928,296,314,848
  5. Step 5: Solve for x
    x = 180,377,928,296,314,848/401,524,859.20
  6. Step 6: Final answer
    x = 449,232,280.80

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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.