Home / 636,820,289,801.90-955,364,609,425.10-206,523,822,492.43

Finding the Fourth Proportional to 636,820,289,801.90, 955,364,609,425.10 and 206,523,822,492.43

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Solution

The fourth proportional to 636,820,289,801.90, 955,364,609,425.10 and 206,523,822,492.43 is: 309,829,247,233.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,820,289,801.90 : 955,364,609,425.10 = 206,523,822,492.43 : x
  2. Step 2: Convert to fraction form
    636,820,289,801.90/955,364,609,425.10 = 206,523,822,492.43/x
  3. Step 3: Cross multiply
    636,820,289,801.90x = 955,364,609,425.10 × 206,523,822,492.43
  4. Step 4: Simplify right side
    636,820,289,801.90x = 197,305,551,012,459,054,104,576
  5. Step 5: Solve for x
    x = 197,305,551,012,459,054,104,576/636,820,289,801.90
  6. Step 6: Final answer
    x = 309,829,247,233.68

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Double scale
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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.