Home / 636,820,290,134.77-955,364,609,924.40-206,523,822,825.59

Finding the Fourth Proportional to 636,820,290,134.77, 955,364,609,924.40 and 206,523,822,825.59

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Solution

The fourth proportional to 636,820,290,134.77, 955,364,609,924.40 and 206,523,822,825.59 is: 309,829,247,733.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,820,290,134.77 : 955,364,609,924.40 = 206,523,822,825.59 : x
  2. Step 2: Convert to fraction form
    636,820,290,134.77/955,364,609,924.40 = 206,523,822,825.59/x
  3. Step 3: Cross multiply
    636,820,290,134.77x = 955,364,609,924.40 × 206,523,822,825.59
  4. Step 4: Simplify right side
    636,820,290,134.77x = 197,305,551,433,865,675,931,648
  5. Step 5: Solve for x
    x = 197,305,551,433,865,675,931,648/636,820,290,134.77
  6. Step 6: Final answer
    x = 309,829,247,733.47

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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.