Home / 725,855,860,382.05-1,001,675,991,659-396,258,898,545.78

Finding the Fourth Proportional to 725,855,860,382.05, 1,001,675,991,659 and 396,258,898,545.78

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Solution

The fourth proportional to 725,855,860,382.05, 1,001,675,991,659 and 396,258,898,545.78 is: 546,834,498,168.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,855,860,382.05 : 1,001,675,991,659 = 396,258,898,545.78 : x
  2. Step 2: Convert to fraction form
    725,855,860,382.05/1,001,675,991,659 = 396,258,898,545.78/x
  3. Step 3: Cross multiply
    725,855,860,382.05x = 1,001,675,991,659 × 396,258,898,545.78
  4. Step 4: Simplify right side
    725,855,860,382.05x = 396,923,025,154,547,277,365,248
  5. Step 5: Solve for x
    x = 396,923,025,154,547,277,365,248/725,855,860,382.05
  6. Step 6: Final answer
    x = 546,834,498,168.31

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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.