Home / 752,961,509.24-1,037,991,752.42-526,196,453.69

Finding the Fourth Proportional to 752,961,509.24, 1,037,991,752.42 and 526,196,453.69

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Solution

The fourth proportional to 752,961,509.24, 1,037,991,752.42 and 526,196,453.69 is: 725,385,789.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,961,509.24 : 1,037,991,752.42 = 526,196,453.69 : x
  2. Step 2: Convert to fraction form
    752,961,509.24/1,037,991,752.42 = 526,196,453.69/x
  3. Step 3: Cross multiply
    752,961,509.24x = 1,037,991,752.42 × 526,196,453.69
  4. Step 4: Simplify right side
    752,961,509.24x = 546,187,579,075,051,520
  5. Step 5: Solve for x
    x = 546,187,579,075,051,520/752,961,509.24
  6. Step 6: Final answer
    x = 725,385,789.81

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1.5x scale

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.