Home / 403,488,005.20-605,232,007.80-367,137,440.80

Finding the Fourth Proportional to 403,488,005.20, 605,232,007.80 and 367,137,440.80

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Solution

The fourth proportional to 403,488,005.20, 605,232,007.80 and 367,137,440.80 is: 550,706,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,488,005.20 : 605,232,007.80 = 367,137,440.80 : x
  2. Step 2: Convert to fraction form
    403,488,005.20/605,232,007.80 = 367,137,440.80/x
  3. Step 3: Cross multiply
    403,488,005.20x = 605,232,007.80 × 367,137,440.80
  4. Step 4: Simplify right side
    403,488,005.20x = 222,203,330,433,937,632
  5. Step 5: Solve for x
    x = 222,203,330,433,937,632/403,488,005.20
  6. Step 6: Final answer
    x = 550,706,161.20

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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.