Home / 12,500,130,853.20-18,825,024,422.87-11,384,359,844.88

Finding the Fourth Proportional to 12,500,130,853.20, 18,825,024,422.87 and 11,384,359,844.88

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Solution

The fourth proportional to 12,500,130,853.20, 18,825,024,422.87 and 11,384,359,844.88 is: 17,144,688,694.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500,130,853.20 : 18,825,024,422.87 = 11,384,359,844.88 : x
  2. Step 2: Convert to fraction form
    12,500,130,853.20/18,825,024,422.87 = 11,384,359,844.88/x
  3. Step 3: Cross multiply
    12,500,130,853.20x = 18,825,024,422.87 × 11,384,359,844.88
  4. Step 4: Simplify right side
    12,500,130,853.20x = 214,310,852,118,549,594,112
  5. Step 5: Solve for x
    x = 214,310,852,118,549,594,112/12,500,130,853.20
  6. Step 6: Final answer
    x = 17,144,688,694.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.