Home / 208,262,230,657.18-287,378,898,822.48-116,791,958,098.70

Finding the Fourth Proportional to 208,262,230,657.18, 287,378,898,822.48 and 116,791,958,098.70

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Solution

The fourth proportional to 208,262,230,657.18, 287,378,898,822.48 and 116,791,958,098.70 is: 161,160,015,446.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,262,230,657.18 : 287,378,898,822.48 = 116,791,958,098.70 : x
  2. Step 2: Convert to fraction form
    208,262,230,657.18/287,378,898,822.48 = 116,791,958,098.70/x
  3. Step 3: Cross multiply
    208,262,230,657.18x = 287,378,898,822.48 × 116,791,958,098.70
  4. Step 4: Simplify right side
    208,262,230,657.18x = 33,563,544,309,725,629,775,872
  5. Step 5: Solve for x
    x = 33,563,544,309,725,629,775,872/208,262,230,657.18
  6. Step 6: Final answer
    x = 161,160,015,446.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.