Home / 3,138,951,529.72-4,706,792,397.32-1,480,413,496.51

Finding the Fourth Proportional to 3,138,951,529.72, 4,706,792,397.32 and 1,480,413,496.51

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Solution

The fourth proportional to 3,138,951,529.72, 4,706,792,397.32 and 1,480,413,496.51 is: 2,219,849,183.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,951,529.72 : 4,706,792,397.32 = 1,480,413,496.51 : x
  2. Step 2: Convert to fraction form
    3,138,951,529.72/4,706,792,397.32 = 1,480,413,496.51/x
  3. Step 3: Cross multiply
    3,138,951,529.72x = 4,706,792,397.32 × 1,480,413,496.51
  4. Step 4: Simplify right side
    3,138,951,529.72x = 6,967,998,990,244,016,128
  5. Step 5: Solve for x
    x = 6,967,998,990,244,016,128/3,138,951,529.72
  6. Step 6: Final answer
    x = 2,219,849,183.49

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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.