Home / 19,892,812,057.79-27,464,472,055.04-12,662,940,388.46

Finding the Fourth Proportional to 19,892,812,057.79, 27,464,472,055.04 and 12,662,940,388.46

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Solution

The fourth proportional to 19,892,812,057.79, 27,464,472,055.04 and 12,662,940,388.46 is: 17,482,745,597.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892,812,057.79 : 27,464,472,055.04 = 12,662,940,388.46 : x
  2. Step 2: Convert to fraction form
    19,892,812,057.79/27,464,472,055.04 = 12,662,940,388.46/x
  3. Step 3: Cross multiply
    19,892,812,057.79x = 27,464,472,055.04 × 12,662,940,388.46
  4. Step 4: Simplify right side
    19,892,812,057.79x = 347,780,972,433,296,392,192
  5. Step 5: Solve for x
    x = 347,780,972,433,296,392,192/19,892,812,057.79
  6. Step 6: Final answer
    x = 17,482,745,597.91

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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.