Home / 855,172,122.74-1,282,290,560.34-679,040,678.76

Finding the Fourth Proportional to 855,172,122.74, 1,282,290,560.34 and 679,040,678.76

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Solution

The fourth proportional to 855,172,122.74, 1,282,290,560.34 and 679,040,678.76 is: 1,018,189,706.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,172,122.74 : 1,282,290,560.34 = 679,040,678.76 : x
  2. Step 2: Convert to fraction form
    855,172,122.74/1,282,290,560.34 = 679,040,678.76/x
  3. Step 3: Cross multiply
    855,172,122.74x = 1,282,290,560.34 × 679,040,678.76
  4. Step 4: Simplify right side
    855,172,122.74x = 870,727,452,460,814,208
  5. Step 5: Solve for x
    x = 870,727,452,460,814,208/855,172,122.74
  6. Step 6: Final answer
    x = 1,018,189,706.27

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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.