Home / 5,115,116,822.32-7,058,786,705.04-2,857,088,479.60

Finding the Fourth Proportional to 5,115,116,822.32, 7,058,786,705.04 and 2,857,088,479.60

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Solution

The fourth proportional to 5,115,116,822.32, 7,058,786,705.04 and 2,857,088,479.60 is: 3,942,740,483.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115,116,822.32 : 7,058,786,705.04 = 2,857,088,479.60 : x
  2. Step 2: Convert to fraction form
    5,115,116,822.32/7,058,786,705.04 = 2,857,088,479.60/x
  3. Step 3: Cross multiply
    5,115,116,822.32x = 7,058,786,705.04 × 2,857,088,479.60
  4. Step 4: Simplify right side
    5,115,116,822.32x = 20,167,578,174,923,427,840
  5. Step 5: Solve for x
    x = 20,167,578,174,923,427,840/5,115,116,822.32
  6. Step 6: Final answer
    x = 3,942,740,483.84

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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.