Home / 3,970,848,944.64-5,479,594,782.66-2,276,088,612.78

Finding the Fourth Proportional to 3,970,848,944.64, 5,479,594,782.66 and 2,276,088,612.78

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Solution

The fourth proportional to 3,970,848,944.64, 5,479,594,782.66 and 2,276,088,612.78 is: 3,140,900,966.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970,848,944.64 : 5,479,594,782.66 = 2,276,088,612.78 : x
  2. Step 2: Convert to fraction form
    3,970,848,944.64/5,479,594,782.66 = 2,276,088,612.78/x
  3. Step 3: Cross multiply
    3,970,848,944.64x = 5,479,594,782.66 × 2,276,088,612.78
  4. Step 4: Simplify right side
    3,970,848,944.64x = 12,472,043,287,461,126,144
  5. Step 5: Solve for x
    x = 12,472,043,287,461,126,144/3,970,848,944.64
  6. Step 6: Final answer
    x = 3,140,900,966.35

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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.