Home / 625,618,858.36-863,394,380.84-347,160,381.89

Finding the Fourth Proportional to 625,618,858.36, 863,394,380.84 and 347,160,381.89

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Solution

The fourth proportional to 625,618,858.36, 863,394,380.84 and 347,160,381.89 is: 479,103,721.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,618,858.36 : 863,394,380.84 = 347,160,381.89 : x
  2. Step 2: Convert to fraction form
    625,618,858.36/863,394,380.84 = 347,160,381.89/x
  3. Step 3: Cross multiply
    625,618,858.36x = 863,394,380.84 × 347,160,381.89
  4. Step 4: Simplify right side
    625,618,858.36x = 299,736,322,973,531,072
  5. Step 5: Solve for x
    x = 299,736,322,973,531,072/625,618,858.36
  6. Step 6: Final answer
    x = 479,103,721.01

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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.