Home / 347,737,708.80-521,606,563.20-261,006,537.60

Finding the Fourth Proportional to 347,737,708.80, 521,606,563.20 and 261,006,537.60

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Solution

The fourth proportional to 347,737,708.80, 521,606,563.20 and 261,006,537.60 is: 391,509,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,737,708.80 : 521,606,563.20 = 261,006,537.60 : x
  2. Step 2: Convert to fraction form
    347,737,708.80/521,606,563.20 = 261,006,537.60/x
  3. Step 3: Cross multiply
    347,737,708.80x = 521,606,563.20 × 261,006,537.60
  4. Step 4: Simplify right side
    347,737,708.80x = 136,142,723,050,267,568
  5. Step 5: Solve for x
    x = 136,142,723,050,267,568/347,737,708.80
  6. Step 6: Final answer
    x = 391,509,806.40

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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.