Home / 752,051,783.86-1,037,835,217.98-469,958,027.56

Finding the Fourth Proportional to 752,051,783.86, 1,037,835,217.98 and 469,958,027.56

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Solution

The fourth proportional to 752,051,783.86, 1,037,835,217.98 and 469,958,027.56 is: 648,544,425.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,051,783.86 : 1,037,835,217.98 = 469,958,027.56 : x
  2. Step 2: Convert to fraction form
    752,051,783.86/1,037,835,217.98 = 469,958,027.56/x
  3. Step 3: Cross multiply
    752,051,783.86x = 1,037,835,217.98 × 469,958,027.56
  4. Step 4: Simplify right side
    752,051,783.86x = 487,738,991,974,183,488
  5. Step 5: Solve for x
    x = 487,738,991,974,183,488/752,051,783.86
  6. Step 6: Final answer
    x = 648,544,425.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.