Home / 819,830,335.47-1,228,757,486.46-376,561,334.54

Finding the Fourth Proportional to 819,830,335.47, 1,228,757,486.46 and 376,561,334.54

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Solution

The fourth proportional to 819,830,335.47, 1,228,757,486.46 and 376,561,334.54 is: 564,388,189.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,830,335.47 : 1,228,757,486.46 = 376,561,334.54 : x
  2. Step 2: Convert to fraction form
    819,830,335.47/1,228,757,486.46 = 376,561,334.54/x
  3. Step 3: Cross multiply
    819,830,335.47x = 1,228,757,486.46 × 376,561,334.54
  4. Step 4: Simplify right side
    819,830,335.47x = 462,702,558,921,249,856
  5. Step 5: Solve for x
    x = 462,702,558,921,249,856/819,830,335.47
  6. Step 6: Final answer
    x = 564,388,189.73

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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.