Home / 18,761,680,410.08-25,891,024,871.57-10,188,030,463.88

Finding the Fourth Proportional to 18,761,680,410.08, 25,891,024,871.57 and 10,188,030,463.88

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Solution

The fourth proportional to 18,761,680,410.08, 25,891,024,871.57 and 10,188,030,463.88 is: 14,059,430,944.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,761,680,410.08 : 25,891,024,871.57 = 10,188,030,463.88 : x
  2. Step 2: Convert to fraction form
    18,761,680,410.08/25,891,024,871.57 = 10,188,030,463.88/x
  3. Step 3: Cross multiply
    18,761,680,410.08x = 25,891,024,871.57 × 10,188,030,463.88
  4. Step 4: Simplify right side
    18,761,680,410.08x = 263,778,550,132,449,509,376
  5. Step 5: Solve for x
    x = 263,778,550,132,449,509,376/18,761,680,410.08
  6. Step 6: Final answer
    x = 14,059,430,944.73

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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.