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Finding the Fourth Proportional to 47,891,448,000.40, 71,837,172,000.60 and 47,891,448,000.40

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Solution

The fourth proportional to 47,891,448,000.40, 71,837,172,000.60 and 47,891,448,000.40 is: 71,837,172,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,891,448,000.40 : 71,837,172,000.60 = 47,891,448,000.40 : x
  2. Step 2: Convert to fraction form
    47,891,448,000.40/71,837,172,000.60 = 47,891,448,000.40/x
  3. Step 3: Cross multiply
    47,891,448,000.40x = 71,837,172,000.60 × 47,891,448,000.40
  4. Step 4: Simplify right side
    47,891,448,000.40x = 3,440,386,187,362,526,298,112
  5. Step 5: Solve for x
    x = 3,440,386,187,362,526,298,112/47,891,448,000.40
  6. Step 6: Final answer
    x = 71,837,172,000.60

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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.