Home / 5,213,275,572.40-7,820,291,272.20-3,138,529,908.40

Finding the Fourth Proportional to 5,213,275,572.40, 7,820,291,272.20 and 3,138,529,908.40

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Solution

The fourth proportional to 5,213,275,572.40, 7,820,291,272.20 and 3,138,529,908.40 is: 4,708,022,376.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213,275,572.40 : 7,820,291,272.20 = 3,138,529,908.40 : x
  2. Step 2: Convert to fraction form
    5,213,275,572.40/7,820,291,272.20 = 3,138,529,908.40/x
  3. Step 3: Cross multiply
    5,213,275,572.40x = 7,820,291,272.20 × 3,138,529,908.40
  4. Step 4: Simplify right side
    5,213,275,572.40x = 24,544,218,050,199,187,456
  5. Step 5: Solve for x
    x = 24,544,218,050,199,187,456/5,213,275,572.40
  6. Step 6: Final answer
    x = 4,708,022,376.59

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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.