Home / 689,595,790.15-951,641,940.15-376,330,004.12

Finding the Fourth Proportional to 689,595,790.15, 951,641,940.15 and 376,330,004.12

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Solution

The fourth proportional to 689,595,790.15, 951,641,940.15 and 376,330,004.12 is: 519,335,269.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,595,790.15 : 951,641,940.15 = 376,330,004.12 : x
  2. Step 2: Convert to fraction form
    689,595,790.15/951,641,940.15 = 376,330,004.12/x
  3. Step 3: Cross multiply
    689,595,790.15x = 951,641,940.15 × 376,330,004.12
  4. Step 4: Simplify right side
    689,595,790.15x = 358,131,415,259,524,160
  5. Step 5: Solve for x
    x = 358,131,415,259,524,160/689,595,790.15
  6. Step 6: Final answer
    x = 519,335,269.12

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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.