Home / 8,384,538,423.52-12,572,088,372.24-2,785,477,994.56

Finding the Fourth Proportional to 8,384,538,423.52, 12,572,088,372.24 and 2,785,477,994.56

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Solution

The fourth proportional to 8,384,538,423.52, 12,572,088,372.24 and 2,785,477,994.56 is: 4,176,649,177.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,384,538,423.52 : 12,572,088,372.24 = 2,785,477,994.56 : x
  2. Step 2: Convert to fraction form
    8,384,538,423.52/12,572,088,372.24 = 2,785,477,994.56/x
  3. Step 3: Cross multiply
    8,384,538,423.52x = 12,572,088,372.24 × 2,785,477,994.56
  4. Step 4: Simplify right side
    8,384,538,423.52x = 35,019,275,506,538,168,320
  5. Step 5: Solve for x
    x = 35,019,275,506,538,168,320/8,384,538,423.52
  6. Step 6: Final answer
    x = 4,176,649,177.05

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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.