Home / 12,439,674,535.08-18,659,399,258.94-3,931,058,712.12

Finding the Fourth Proportional to 12,439,674,535.08, 18,659,399,258.94 and 3,931,058,712.12

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Solution

The fourth proportional to 12,439,674,535.08, 18,659,399,258.94 and 3,931,058,712.12 is: 5,896,552,503.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,439,674,535.08 : 18,659,399,258.94 = 3,931,058,712.12 : x
  2. Step 2: Convert to fraction form
    12,439,674,535.08/18,659,399,258.94 = 3,931,058,712.12/x
  3. Step 3: Cross multiply
    12,439,674,535.08x = 18,659,399,258.94 × 3,931,058,712.12
  4. Step 4: Simplify right side
    12,439,674,535.08x = 73,351,194,019,781,550,080
  5. Step 5: Solve for x
    x = 73,351,194,019,781,550,080/12,439,674,535.08
  6. Step 6: Final answer
    x = 5,896,552,503.28

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1.5x scale

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.