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Finding the Fourth Proportional to 129,848,790,713.45, 194,773,186,070.17 and 129,848,790,713.45

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Solution

The fourth proportional to 129,848,790,713.45, 194,773,186,070.17 and 129,848,790,713.45 is: 194,773,186,070.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,848,790,713.45 : 194,773,186,070.17 = 129,848,790,713.45 : x
  2. Step 2: Convert to fraction form
    129,848,790,713.45/194,773,186,070.17 = 129,848,790,713.45/x
  3. Step 3: Cross multiply
    129,848,790,713.45x = 194,773,186,070.17 × 129,848,790,713.45
  4. Step 4: Simplify right side
    129,848,790,713.45x = 25,291,062,674,617,360,449,536
  5. Step 5: Solve for x
    x = 25,291,062,674,617,360,449,536/129,848,790,713.45
  6. Step 6: Final answer
    x = 194,773,186,070.17

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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.