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Finding the Fourth Proportional to 56,685,270,643.90, 85,027,905,965.85 and 56,685,270,643.90

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Solution

The fourth proportional to 56,685,270,643.90, 85,027,905,965.85 and 56,685,270,643.90 is: 85,027,905,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,685,270,643.90 : 85,027,905,965.85 = 56,685,270,643.90 : x
  2. Step 2: Convert to fraction form
    56,685,270,643.90/85,027,905,965.85 = 56,685,270,643.90/x
  3. Step 3: Cross multiply
    56,685,270,643.90x = 85,027,905,965.85 × 56,685,270,643.90
  4. Step 4: Simplify right side
    56,685,270,643.90x = 4,819,829,861,958,287,360,000
  5. Step 5: Solve for x
    x = 4,819,829,861,958,287,360,000/56,685,270,643.90
  6. Step 6: Final answer
    x = 85,027,905,965.85

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Double scale
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Similar ratio
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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.