Home / 636,820,289,799.40-955,364,609,421.34-206,523,822,489.93

Finding the Fourth Proportional to 636,820,289,799.40, 955,364,609,421.34 and 206,523,822,489.93

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Solution

The fourth proportional to 636,820,289,799.40, 955,364,609,421.34 and 206,523,822,489.93 is: 309,829,247,229.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,820,289,799.40 : 955,364,609,421.34 = 206,523,822,489.93 : x
  2. Step 2: Convert to fraction form
    636,820,289,799.40/955,364,609,421.34 = 206,523,822,489.93/x
  3. Step 3: Cross multiply
    636,820,289,799.40x = 955,364,609,421.34 × 206,523,822,489.93
  4. Step 4: Simplify right side
    636,820,289,799.40x = 197,305,551,009,294,099,415,040
  5. Step 5: Solve for x
    x = 197,305,551,009,294,099,415,040/636,820,289,799.40
  6. Step 6: Final answer
    x = 309,829,247,229.93

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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.