Home / 501,819,301.80-692,385,394.68-300,907,712.70

Finding the Fourth Proportional to 501,819,301.80, 692,385,394.68 and 300,907,712.70

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Solution

The fourth proportional to 501,819,301.80, 692,385,394.68 and 300,907,712.70 is: 415,177,544.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,819,301.80 : 692,385,394.68 = 300,907,712.70 : x
  2. Step 2: Convert to fraction form
    501,819,301.80/692,385,394.68 = 300,907,712.70/x
  3. Step 3: Cross multiply
    501,819,301.80x = 692,385,394.68 × 300,907,712.70
  4. Step 4: Simplify right side
    501,819,301.80x = 208,344,105,420,045,536
  5. Step 5: Solve for x
    x = 208,344,105,420,045,536/501,819,301.80
  6. Step 6: Final answer
    x = 415,177,544.33

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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.