Home / 13,348,316,679.43-18,420,695,258.99-7,244,669,332.16

Finding the Fourth Proportional to 13,348,316,679.43, 18,420,695,258.99 and 7,244,669,332.16

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Solution

The fourth proportional to 13,348,316,679.43, 18,420,695,258.99 and 7,244,669,332.16 is: 9,997,653,578.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348,316,679.43 : 18,420,695,258.99 = 7,244,669,332.16 : x
  2. Step 2: Convert to fraction form
    13,348,316,679.43/18,420,695,258.99 = 7,244,669,332.16/x
  3. Step 3: Cross multiply
    13,348,316,679.43x = 18,420,695,258.99 × 7,244,669,332.16
  4. Step 4: Simplify right side
    13,348,316,679.43x = 133,451,846,019,811,639,296
  5. Step 5: Solve for x
    x = 133,451,846,019,811,639,296/13,348,316,679.43
  6. Step 6: Final answer
    x = 9,997,653,578.71

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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.