Home / 18,275,311,809.59-25,213,901,733.35-11,038,655,300.20

Finding the Fourth Proportional to 18,275,311,809.59, 25,213,901,733.35 and 11,038,655,300.20

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Solution

The fourth proportional to 18,275,311,809.59, 25,213,901,733.35 and 11,038,655,300.20 is: 15,229,702,940.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,275,311,809.59 : 25,213,901,733.35 = 11,038,655,300.20 : x
  2. Step 2: Convert to fraction form
    18,275,311,809.59/25,213,901,733.35 = 11,038,655,300.20/x
  3. Step 3: Cross multiply
    18,275,311,809.59x = 25,213,901,733.35 × 11,038,655,300.20
  4. Step 4: Simplify right side
    18,275,311,809.59x = 278,327,570,007,493,443,584
  5. Step 5: Solve for x
    x = 278,327,570,007,493,443,584/18,275,311,809.59
  6. Step 6: Final answer
    x = 15,229,702,940.64

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Double scale
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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.