Home / 814,171,404.69-1,221,773,649.64-347,836,342.03

Finding the Fourth Proportional to 814,171,404.69, 1,221,773,649.64 and 347,836,342.03

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Solution

The fourth proportional to 814,171,404.69, 1,221,773,649.64 and 347,836,342.03 is: 521,975,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,171,404.69 : 1,221,773,649.64 = 347,836,342.03 : x
  2. Step 2: Convert to fraction form
    814,171,404.69/1,221,773,649.64 = 347,836,342.03/x
  3. Step 3: Cross multiply
    814,171,404.69x = 1,221,773,649.64 × 347,836,342.03
  4. Step 4: Simplify right side
    814,171,404.69x = 424,977,277,075,496,384
  5. Step 5: Solve for x
    x = 424,977,277,075,496,384/814,171,404.69
  6. Step 6: Final answer
    x = 521,975,194.20

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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.