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Finding the Fourth Proportional to 539,492,027.55, 809,238,041.33 and 539,492,027.55

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Solution

The fourth proportional to 539,492,027.55, 809,238,041.33 and 539,492,027.55 is: 809,238,041.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,492,027.55 : 809,238,041.33 = 539,492,027.55 : x
  2. Step 2: Convert to fraction form
    539,492,027.55/809,238,041.33 = 539,492,027.55/x
  3. Step 3: Cross multiply
    539,492,027.55x = 809,238,041.33 × 539,492,027.55
  4. Step 4: Simplify right side
    539,492,027.55x = 436,577,471,685,014,912
  5. Step 5: Solve for x
    x = 436,577,471,685,014,912/539,492,027.55
  6. Step 6: Final answer
    x = 809,238,041.33

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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.