Home / 636,820,289,796.55-955,364,609,417.10-206,523,822,487.06

Finding the Fourth Proportional to 636,820,289,796.55, 955,364,609,417.10 and 206,523,822,487.06

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Solution

The fourth proportional to 636,820,289,796.55, 955,364,609,417.10 and 206,523,822,487.06 is: 309,829,247,225.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,820,289,796.55 : 955,364,609,417.10 = 206,523,822,487.06 : x
  2. Step 2: Convert to fraction form
    636,820,289,796.55/955,364,609,417.10 = 206,523,822,487.06/x
  3. Step 3: Cross multiply
    636,820,289,796.55x = 955,364,609,417.10 × 206,523,822,487.06
  4. Step 4: Simplify right side
    636,820,289,796.55x = 197,305,551,005,676,562,546,688
  5. Step 5: Solve for x
    x = 197,305,551,005,676,562,546,688/636,820,289,796.55
  6. Step 6: Final answer
    x = 309,829,247,225.64

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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.