Home / 752,051,784.86-1,037,835,219.36-469,958,028.56

Finding the Fourth Proportional to 752,051,784.86, 1,037,835,219.36 and 469,958,028.56

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Solution

The fourth proportional to 752,051,784.86, 1,037,835,219.36 and 469,958,028.56 is: 648,544,426.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,051,784.86 : 1,037,835,219.36 = 469,958,028.56 : x
  2. Step 2: Convert to fraction form
    752,051,784.86/1,037,835,219.36 = 469,958,028.56/x
  3. Step 3: Cross multiply
    752,051,784.86x = 1,037,835,219.36 × 469,958,028.56
  4. Step 4: Simplify right side
    752,051,784.86x = 487,738,993,660,560,768
  5. Step 5: Solve for x
    x = 487,738,993,660,560,768/752,051,784.86
  6. Step 6: Final answer
    x = 648,544,426.70

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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.