Home / 389,905,252,265.88-537,988,673,872.26-225,103,915,556.19

Finding the Fourth Proportional to 389,905,252,265.88, 537,988,673,872.26 and 225,103,915,556.19

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Solution

The fourth proportional to 389,905,252,265.88, 537,988,673,872.26 and 225,103,915,556.19 is: 310,596,885,550.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,905,252,265.88 : 537,988,673,872.26 = 225,103,915,556.19 : x
  2. Step 2: Convert to fraction form
    389,905,252,265.88/537,988,673,872.26 = 225,103,915,556.19/x
  3. Step 3: Cross multiply
    389,905,252,265.88x = 537,988,673,872.26 × 225,103,915,556.19
  4. Step 4: Simplify right side
    389,905,252,265.88x = 121,103,357,013,527,860,609,024
  5. Step 5: Solve for x
    x = 121,103,357,013,527,860,609,024/389,905,252,265.88
  6. Step 6: Final answer
    x = 310,596,885,550.41

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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.