Home / 5,115,116,821.32-7,058,786,703.66-2,857,088,478.60

Finding the Fourth Proportional to 5,115,116,821.32, 7,058,786,703.66 and 2,857,088,478.60

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Solution

The fourth proportional to 5,115,116,821.32, 7,058,786,703.66 and 2,857,088,478.60 is: 3,942,740,482.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115,116,821.32 : 7,058,786,703.66 = 2,857,088,478.60 : x
  2. Step 2: Convert to fraction form
    5,115,116,821.32/7,058,786,703.66 = 2,857,088,478.60/x
  3. Step 3: Cross multiply
    5,115,116,821.32x = 7,058,786,703.66 × 2,857,088,478.60
  4. Step 4: Simplify right side
    5,115,116,821.32x = 20,167,578,163,921,858,560
  5. Step 5: Solve for x
    x = 20,167,578,163,921,858,560/5,115,116,821.32
  6. Step 6: Final answer
    x = 3,942,740,482.46

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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.