Home / 991,399,230.54-1,486,783,345.14-327,289,597.25

Finding the Fourth Proportional to 991,399,230.54, 1,486,783,345.14 and 327,289,597.25

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Solution

The fourth proportional to 991,399,230.54, 1,486,783,345.14 and 327,289,597.25 is: 490,830,239.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,399,230.54 : 1,486,783,345.14 = 327,289,597.25 : x
  2. Step 2: Convert to fraction form
    991,399,230.54/1,486,783,345.14 = 327,289,597.25/x
  3. Step 3: Cross multiply
    991,399,230.54x = 1,486,783,345.14 × 327,289,597.25
  4. Step 4: Simplify right side
    991,399,230.54x = 486,608,722,221,444,480
  5. Step 5: Solve for x
    x = 486,608,722,221,444,480/991,399,230.54
  6. Step 6: Final answer
    x = 490,830,239.96

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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.