Home / 19,892,812,143.08-27,464,472,172.68-12,662,940,473.76

Finding the Fourth Proportional to 19,892,812,143.08, 27,464,472,172.68 and 12,662,940,473.76

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Solution

The fourth proportional to 19,892,812,143.08, 27,464,472,172.68 and 12,662,940,473.76 is: 17,482,745,715.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892,812,143.08 : 27,464,472,172.68 = 12,662,940,473.76 : x
  2. Step 2: Convert to fraction form
    19,892,812,143.08/27,464,472,172.68 = 12,662,940,473.76/x
  3. Step 3: Cross multiply
    19,892,812,143.08x = 27,464,472,172.68 × 12,662,940,473.76
  4. Step 4: Simplify right side
    19,892,812,143.08x = 347,780,976,265,884,794,880
  5. Step 5: Solve for x
    x = 347,780,976,265,884,794,880/19,892,812,143.08
  6. Step 6: Final answer
    x = 17,482,745,715.61

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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.