Home / 18,278,078,479.17-27,418,996,296.96-6,326,311,277.21

Finding the Fourth Proportional to 18,278,078,479.17, 27,418,996,296.96 and 6,326,311,277.21

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Solution

The fourth proportional to 18,278,078,479.17, 27,418,996,296.96 and 6,326,311,277.21 is: 9,490,117,119.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,278,078,479.17 : 27,418,996,296.96 = 6,326,311,277.21 : x
  2. Step 2: Convert to fraction form
    18,278,078,479.17/27,418,996,296.96 = 6,326,311,277.21/x
  3. Step 3: Cross multiply
    18,278,078,479.17x = 27,418,996,296.96 × 6,326,311,277.21
  4. Step 4: Simplify right side
    18,278,078,479.17x = 173,461,105,483,087,544,320
  5. Step 5: Solve for x
    x = 173,461,105,483,087,544,320/18,278,078,479.17
  6. Step 6: Final answer
    x = 9,490,117,119.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.