Home / 675,350,644.40-931,243,805.39-439,964,796.68

Finding the Fourth Proportional to 675,350,644.40, 931,243,805.39 and 439,964,796.68

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Solution

The fourth proportional to 675,350,644.40, 931,243,805.39 and 439,964,796.68 is: 606,669,283.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,350,644.40 : 931,243,805.39 = 439,964,796.68 : x
  2. Step 2: Convert to fraction form
    675,350,644.40/931,243,805.39 = 439,964,796.68/x
  3. Step 3: Cross multiply
    675,350,644.40x = 931,243,805.39 × 439,964,796.68
  4. Step 4: Simplify right side
    675,350,644.40x = 409,714,491,491,064,832
  5. Step 5: Solve for x
    x = 409,714,491,491,064,832/675,350,644.40
  6. Step 6: Final answer
    x = 606,669,283.42

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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.