Home / 6,239,561,635.45-8,605,574,331.16-5,485,262,016.61

Finding the Fourth Proportional to 6,239,561,635.45, 8,605,574,331.16 and 5,485,262,016.61

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Solution

The fourth proportional to 6,239,561,635.45, 8,605,574,331.16 and 5,485,262,016.61 is: 7,565,247,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239,561,635.45 : 8,605,574,331.16 = 5,485,262,016.61 : x
  2. Step 2: Convert to fraction form
    6,239,561,635.45/8,605,574,331.16 = 5,485,262,016.61/x
  3. Step 3: Cross multiply
    6,239,561,635.45x = 8,605,574,331.16 × 5,485,262,016.61
  4. Step 4: Simplify right side
    6,239,561,635.45x = 47,203,830,009,825,951,744
  5. Step 5: Solve for x
    x = 47,203,830,009,825,951,744/6,239,561,635.45
  6. Step 6: Final answer
    x = 7,565,247,811.90

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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.