Home / 689,595,793.16-951,641,944.29-376,330,007.12

Finding the Fourth Proportional to 689,595,793.16, 951,641,944.29 and 376,330,007.12

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Solution

The fourth proportional to 689,595,793.16, 951,641,944.29 and 376,330,007.12 is: 519,335,273.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,595,793.16 : 951,641,944.29 = 376,330,007.12 : x
  2. Step 2: Convert to fraction form
    689,595,793.16/951,641,944.29 = 376,330,007.12/x
  3. Step 3: Cross multiply
    689,595,793.16x = 951,641,944.29 × 376,330,007.12
  4. Step 4: Simplify right side
    689,595,793.16x = 358,131,419,665,588,160
  5. Step 5: Solve for x
    x = 358,131,419,665,588,160/689,595,793.16
  6. Step 6: Final answer
    x = 519,335,273.24

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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.