Home / 991,793,063.65-1,487,904,809.94-301,682,381.49

Finding the Fourth Proportional to 991,793,063.65, 1,487,904,809.94 and 301,682,381.49

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Solution

The fourth proportional to 991,793,063.65, 1,487,904,809.94 and 301,682,381.49 is: 452,589,035.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,793,063.65 : 1,487,904,809.94 = 301,682,381.49 : x
  2. Step 2: Convert to fraction form
    991,793,063.65/1,487,904,809.94 = 301,682,381.49/x
  3. Step 3: Cross multiply
    991,793,063.65x = 1,487,904,809.94 × 301,682,381.49
  4. Step 4: Simplify right side
    991,793,063.65x = 448,874,666,485,685,568
  5. Step 5: Solve for x
    x = 448,874,666,485,685,568/991,793,063.65
  6. Step 6: Final answer
    x = 452,589,035.90

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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.