Home / 543,556,559,595.88-815,204,038,772.94-166,251,608,344.36

Finding the Fourth Proportional to 543,556,559,595.88, 815,204,038,772.94 and 166,251,608,344.36

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Solution

The fourth proportional to 543,556,559,595.88, 815,204,038,772.94 and 166,251,608,344.36 is: 249,337,405,983.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,556,559,595.88 : 815,204,038,772.94 = 166,251,608,344.36 : x
  2. Step 2: Convert to fraction form
    543,556,559,595.88/815,204,038,772.94 = 166,251,608,344.36/x
  3. Step 3: Cross multiply
    543,556,559,595.88x = 815,204,038,772.94 × 166,251,608,344.36
  4. Step 4: Simplify right side
    543,556,559,595.88x = 135,528,982,574,819,262,332,928
  5. Step 5: Solve for x
    x = 135,528,982,574,819,262,332,928/543,556,559,595.88
  6. Step 6: Final answer
    x = 249,337,405,983.26

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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.