Home / 202,384,950,717.76-279,291,258,463.52-112,170,228,639.68

Finding the Fourth Proportional to 202,384,950,717.76, 279,291,258,463.52 and 112,170,228,639.68

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Solution

The fourth proportional to 202,384,950,717.76, 279,291,258,463.52 and 112,170,228,639.68 is: 154,794,930,195.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,384,950,717.76 : 279,291,258,463.52 = 112,170,228,639.68 : x
  2. Step 2: Convert to fraction form
    202,384,950,717.76/279,291,258,463.52 = 112,170,228,639.68/x
  3. Step 3: Cross multiply
    202,384,950,717.76x = 279,291,258,463.52 × 112,170,228,639.68
  4. Step 4: Simplify right side
    202,384,950,717.76x = 31,328,164,318,917,001,478,144
  5. Step 5: Solve for x
    x = 31,328,164,318,917,001,478,144/202,384,950,717.76
  6. Step 6: Final answer
    x = 154,794,930,195.21

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1.5x scale

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.