Home / 208,262,230,658.68-287,378,898,824.55-116,791,958,100.20

Finding the Fourth Proportional to 208,262,230,658.68, 287,378,898,824.55 and 116,791,958,100.20

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Solution

The fourth proportional to 208,262,230,658.68, 287,378,898,824.55 and 116,791,958,100.20 is: 161,160,015,449.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,262,230,658.68 : 287,378,898,824.55 = 116,791,958,100.20 : x
  2. Step 2: Convert to fraction form
    208,262,230,658.68/287,378,898,824.55 = 116,791,958,100.20/x
  3. Step 3: Cross multiply
    208,262,230,658.68x = 287,378,898,824.55 × 116,791,958,100.20
  4. Step 4: Simplify right side
    208,262,230,658.68x = 33,563,544,310,398,454,857,728
  5. Step 5: Solve for x
    x = 33,563,544,310,398,454,857,728/208,262,230,658.68
  6. Step 6: Final answer
    x = 161,160,015,449.01

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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.