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Finding the Fourth Proportional to 477,653,762.48, 716,753,671.52 and 259,321,856.45

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Solution

The fourth proportional to 477,653,762.48, 716,753,671.52 and 259,321,856.45 is: 389,131,013.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,653,762.48 : 716,753,671.52 = 259,321,856.45 : x
  2. Step 2: Convert to fraction form
    477,653,762.48/716,753,671.52 = 259,321,856.45/x
  3. Step 3: Cross multiply
    477,653,762.48x = 716,753,671.52 × 259,321,856.45
  4. Step 4: Simplify right side
    477,653,762.48x = 185,869,892,711,039,520
  5. Step 5: Solve for x
    x = 185,869,892,711,039,520/477,653,762.48
  6. Step 6: Final answer
    x = 389,131,013.54

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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.