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Finding the Fourth Proportional to 539,232,004.80, 808,848,007.20 and 539,232,004.80

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Solution

The fourth proportional to 539,232,004.80, 808,848,007.20 and 539,232,004.80 is: 808,848,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,232,004.80 : 808,848,007.20 = 539,232,004.80 : x
  2. Step 2: Convert to fraction form
    539,232,004.80/808,848,007.20 = 539,232,004.80/x
  3. Step 3: Cross multiply
    539,232,004.80x = 808,848,007.20 × 539,232,004.80
  4. Step 4: Simplify right side
    539,232,004.80x = 436,156,732,500,940,800
  5. Step 5: Solve for x
    x = 436,156,732,500,940,800/539,232,004.80
  6. Step 6: Final answer
    x = 808,848,007.20

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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.