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Finding the Fourth Proportional to 194,078,463,946.30, 291,117,695,919.45 and 194,078,463,946.30

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Solution

The fourth proportional to 194,078,463,946.30, 291,117,695,919.45 and 194,078,463,946.30 is: 291,117,695,919.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,078,463,946.30 : 291,117,695,919.45 = 194,078,463,946.30 : x
  2. Step 2: Convert to fraction form
    194,078,463,946.30/291,117,695,919.45 = 194,078,463,946.30/x
  3. Step 3: Cross multiply
    194,078,463,946.30x = 291,117,695,919.45 × 194,078,463,946.30
  4. Step 4: Simplify right side
    194,078,463,946.30x = 56,499,675,251,632,901,193,728
  5. Step 5: Solve for x
    x = 56,499,675,251,632,901,193,728/194,078,463,946.30
  6. Step 6: Final answer
    x = 291,117,695,919.45

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Double scale
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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.