Home / 772,129,065.84-1,158,183,489.96-189,868,337.52

Finding the Fourth Proportional to 772,129,065.84, 1,158,183,489.96 and 189,868,337.52

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Solution

The fourth proportional to 772,129,065.84, 1,158,183,489.96 and 189,868,337.52 is: 284,800,020.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,129,065.84 : 1,158,183,489.96 = 189,868,337.52 : x
  2. Step 2: Convert to fraction form
    772,129,065.84/1,158,183,489.96 = 189,868,337.52/x
  3. Step 3: Cross multiply
    772,129,065.84x = 1,158,183,489.96 × 189,868,337.52
  4. Step 4: Simplify right side
    772,129,065.84x = 219,902,373,781,816,832
  5. Step 5: Solve for x
    x = 219,902,373,781,816,832/772,129,065.84
  6. Step 6: Final answer
    x = 284,800,020.50

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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.