Home / 18,196,992,007.70-27,295,488,011.55-8,401,471,495.70

Finding the Fourth Proportional to 18,196,992,007.70, 27,295,488,011.55 and 8,401,471,495.70

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Solution

The fourth proportional to 18,196,992,007.70, 27,295,488,011.55 and 8,401,471,495.70 is: 12,602,207,243.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,196,992,007.70 : 27,295,488,011.55 = 8,401,471,495.70 : x
  2. Step 2: Convert to fraction form
    18,196,992,007.70/27,295,488,011.55 = 8,401,471,495.70/x
  3. Step 3: Cross multiply
    18,196,992,007.70x = 27,295,488,011.55 × 8,401,471,495.70
  4. Step 4: Simplify right side
    18,196,992,007.70x = 229,322,264,490,258,399,232
  5. Step 5: Solve for x
    x = 229,322,264,490,258,399,232/18,196,992,007.70
  6. Step 6: Final answer
    x = 12,602,207,243.55

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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.