Home / 331,910,822.40-497,866,233.60-159,723,938.40

Finding the Fourth Proportional to 331,910,822.40, 497,866,233.60 and 159,723,938.40

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Solution

The fourth proportional to 331,910,822.40, 497,866,233.60 and 159,723,938.40 is: 239,585,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,910,822.40 : 497,866,233.60 = 159,723,938.40 : x
  2. Step 2: Convert to fraction form
    331,910,822.40/497,866,233.60 = 159,723,938.40/x
  3. Step 3: Cross multiply
    331,910,822.40x = 497,866,233.60 × 159,723,938.40
  4. Step 4: Simplify right side
    331,910,822.40x = 79,521,155,626,966,416
  5. Step 5: Solve for x
    x = 79,521,155,626,966,416/331,910,822.40
  6. Step 6: Final answer
    x = 239,585,907.60

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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.