Home / 814,171,406.70-1,221,773,652.64-347,836,344.02

Finding the Fourth Proportional to 814,171,406.70, 1,221,773,652.64 and 347,836,344.02

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Solution

The fourth proportional to 814,171,406.70, 1,221,773,652.64 and 347,836,344.02 is: 521,975,197.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,171,406.70 : 1,221,773,652.64 = 347,836,344.02 : x
  2. Step 2: Convert to fraction form
    814,171,406.70/1,221,773,652.64 = 347,836,344.02/x
  3. Step 3: Cross multiply
    814,171,406.70x = 1,221,773,652.64 × 347,836,344.02
  4. Step 4: Simplify right side
    814,171,406.70x = 424,977,280,554,259,008
  5. Step 5: Solve for x
    x = 424,977,280,554,259,008/814,171,406.70
  6. Step 6: Final answer
    x = 521,975,197.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.