Home / 819,131,885.45-1,228,563,307.14-352,667,726.88

Finding the Fourth Proportional to 819,131,885.45, 1,228,563,307.14 and 352,667,726.88

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Solution

The fourth proportional to 819,131,885.45, 1,228,563,307.14 and 352,667,726.88 is: 528,943,673.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,131,885.45 : 1,228,563,307.14 = 352,667,726.88 : x
  2. Step 2: Convert to fraction form
    819,131,885.45/1,228,563,307.14 = 352,667,726.88/x
  3. Step 3: Cross multiply
    819,131,885.45x = 1,228,563,307.14 × 352,667,726.88
  4. Step 4: Simplify right side
    819,131,885.45x = 433,274,628,852,632,064
  5. Step 5: Solve for x
    x = 433,274,628,852,632,064/819,131,885.45
  6. Step 6: Final answer
    x = 528,943,673.84

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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.