Home / 526,533,187.20-789,799,780.80-254,435,395.20

Finding the Fourth Proportional to 526,533,187.20, 789,799,780.80 and 254,435,395.20

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Solution

The fourth proportional to 526,533,187.20, 789,799,780.80 and 254,435,395.20 is: 381,653,092.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,533,187.20 : 789,799,780.80 = 254,435,395.20 : x
  2. Step 2: Convert to fraction form
    526,533,187.20/789,799,780.80 = 254,435,395.20/x
  3. Step 3: Cross multiply
    526,533,187.20x = 789,799,780.80 × 254,435,395.20
  4. Step 4: Simplify right side
    526,533,187.20x = 200,953,019,356,721,344
  5. Step 5: Solve for x
    x = 200,953,019,356,721,344/526,533,187.20
  6. Step 6: Final answer
    x = 381,653,092.80

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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.