Home / 405,488,168.88-608,292,950.87-146,763,922.78

Finding the Fourth Proportional to 405,488,168.88, 608,292,950.87 and 146,763,922.78

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Solution

The fourth proportional to 405,488,168.88, 608,292,950.87 and 146,763,922.78 is: 220,167,853.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,488,168.88 : 608,292,950.87 = 146,763,922.78 : x
  2. Step 2: Convert to fraction form
    405,488,168.88/608,292,950.87 = 146,763,922.78/x
  3. Step 3: Cross multiply
    405,488,168.88x = 608,292,950.87 × 146,763,922.78
  4. Step 4: Simplify right side
    405,488,168.88x = 89,275,459,669,103,008
  5. Step 5: Solve for x
    x = 89,275,459,669,103,008/405,488,168.88
  6. Step 6: Final answer
    x = 220,167,853.27

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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.