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Finding the Fourth Proportional to 959,672,046.30, 1,439,508,069.45 and 959,672,046.30

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Solution

The fourth proportional to 959,672,046.30, 1,439,508,069.45 and 959,672,046.30 is: 1,439,508,069.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,672,046.30 : 1,439,508,069.45 = 959,672,046.30 : x
  2. Step 2: Convert to fraction form
    959,672,046.30/1,439,508,069.45 = 959,672,046.30/x
  3. Step 3: Cross multiply
    959,672,046.30x = 1,439,508,069.45 × 959,672,046.30
  4. Step 4: Simplify right side
    959,672,046.30x = 1,381,455,654,674,444,032
  5. Step 5: Solve for x
    x = 1,381,455,654,674,444,032/959,672,046.30
  6. Step 6: Final answer
    x = 1,439,508,069.45

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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.