Home / 208,262,230,656.07-287,378,898,820.92-116,791,958,097.57

Finding the Fourth Proportional to 208,262,230,656.07, 287,378,898,820.92 and 116,791,958,097.57

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Solution

The fourth proportional to 208,262,230,656.07, 287,378,898,820.92 and 116,791,958,097.57 is: 161,160,015,445.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,262,230,656.07 : 287,378,898,820.92 = 116,791,958,097.57 : x
  2. Step 2: Convert to fraction form
    208,262,230,656.07/287,378,898,820.92 = 116,791,958,097.57/x
  3. Step 3: Cross multiply
    208,262,230,656.07x = 287,378,898,820.92 × 116,791,958,097.57
  4. Step 4: Simplify right side
    208,262,230,656.07x = 33,563,544,309,218,697,805,824
  5. Step 5: Solve for x
    x = 33,563,544,309,218,697,805,824/208,262,230,656.07
  6. Step 6: Final answer
    x = 161,160,015,445.37

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1.5x scale

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.