Home / 298,970,511.60-448,455,767.40-270,272,697.60

Finding the Fourth Proportional to 298,970,511.60, 448,455,767.40 and 270,272,697.60

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Solution

The fourth proportional to 298,970,511.60, 448,455,767.40 and 270,272,697.60 is: 405,409,046.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,970,511.60 : 448,455,767.40 = 270,272,697.60 : x
  2. Step 2: Convert to fraction form
    298,970,511.60/448,455,767.40 = 270,272,697.60/x
  3. Step 3: Cross multiply
    298,970,511.60x = 448,455,767.40 × 270,272,697.60
  4. Step 4: Simplify right side
    298,970,511.60x = 121,205,350,009,476,144
  5. Step 5: Solve for x
    x = 121,205,350,009,476,144/298,970,511.60
  6. Step 6: Final answer
    x = 405,409,046.40

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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.