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Finding the Fourth Proportional to 862,166,801.90, 1,293,250,202.85 and 862,166,801.90

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Solution

The fourth proportional to 862,166,801.90, 1,293,250,202.85 and 862,166,801.90 is: 1,293,250,202.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,166,801.90 : 1,293,250,202.85 = 862,166,801.90 : x
  2. Step 2: Convert to fraction form
    862,166,801.90/1,293,250,202.85 = 862,166,801.90/x
  3. Step 3: Cross multiply
    862,166,801.90x = 1,293,250,202.85 × 862,166,801.90
  4. Step 4: Simplify right side
    862,166,801.90x = 1,114,997,391,447,710,592
  5. Step 5: Solve for x
    x = 1,114,997,391,447,710,592/862,166,801.90
  6. Step 6: Final answer
    x = 1,293,250,202.85

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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.