Home / 682,037,786.54-940,997,288.66-417,443,938.22

Finding the Fourth Proportional to 682,037,786.54, 940,997,288.66 and 417,443,938.22

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Solution

The fourth proportional to 682,037,786.54, 940,997,288.66 and 417,443,938.22 is: 575,941,130.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,037,786.54 : 940,997,288.66 = 417,443,938.22 : x
  2. Step 2: Convert to fraction form
    682,037,786.54/940,997,288.66 = 417,443,938.22/x
  3. Step 3: Cross multiply
    682,037,786.54x = 940,997,288.66 × 417,443,938.22
  4. Step 4: Simplify right side
    682,037,786.54x = 392,813,614,032,572,544
  5. Step 5: Solve for x
    x = 392,813,614,032,572,544/682,037,786.54
  6. Step 6: Final answer
    x = 575,941,130.81

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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.