Home / 991,793,063.15-1,487,904,809.19-301,682,380.98

Finding the Fourth Proportional to 991,793,063.15, 1,487,904,809.19 and 301,682,380.98

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Solution

The fourth proportional to 991,793,063.15, 1,487,904,809.19 and 301,682,380.98 is: 452,589,035.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,793,063.15 : 1,487,904,809.19 = 301,682,380.98 : x
  2. Step 2: Convert to fraction form
    991,793,063.15/1,487,904,809.19 = 301,682,380.98/x
  3. Step 3: Cross multiply
    991,793,063.15x = 1,487,904,809.19 × 301,682,380.98
  4. Step 4: Simplify right side
    991,793,063.15x = 448,874,665,508,031,808
  5. Step 5: Solve for x
    x = 448,874,665,508,031,808/991,793,063.15
  6. Step 6: Final answer
    x = 452,589,035.14

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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.