Home / 479,488,858.24-661,330,012.88-412,620,522.80

Finding the Fourth Proportional to 479,488,858.24, 661,330,012.88 and 412,620,522.80

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Solution

The fourth proportional to 479,488,858.24, 661,330,012.88 and 412,620,522.80 is: 569,102,557.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,488,858.24 : 661,330,012.88 = 412,620,522.80 : x
  2. Step 2: Convert to fraction form
    479,488,858.24/661,330,012.88 = 412,620,522.80/x
  3. Step 3: Cross multiply
    479,488,858.24x = 661,330,012.88 × 412,620,522.80
  4. Step 4: Simplify right side
    479,488,858.24x = 272,878,335,657,876,352
  5. Step 5: Solve for x
    x = 272,878,335,657,876,352/479,488,858.24
  6. Step 6: Final answer
    x = 569,102,557.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.