Home / 991,793,066.91-1,487,904,814.82-301,682,384.74

Finding the Fourth Proportional to 991,793,066.91, 1,487,904,814.82 and 301,682,384.74

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Solution

The fourth proportional to 991,793,066.91, 1,487,904,814.82 and 301,682,384.74 is: 452,589,040.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,793,066.91 : 1,487,904,814.82 = 301,682,384.74 : x
  2. Step 2: Convert to fraction form
    991,793,066.91/1,487,904,814.82 = 301,682,384.74/x
  3. Step 3: Cross multiply
    991,793,066.91x = 1,487,904,814.82 × 301,682,384.74
  4. Step 4: Simplify right side
    991,793,066.91x = 448,874,672,801,025,664
  5. Step 5: Solve for x
    x = 448,874,672,801,025,664/991,793,066.91
  6. Step 6: Final answer
    x = 452,589,040.78

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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.