Home / 970,848,011.20-1,456,272,016.80-324,615,755.20

Finding the Fourth Proportional to 970,848,011.20, 1,456,272,016.80 and 324,615,755.20

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Solution

The fourth proportional to 970,848,011.20, 1,456,272,016.80 and 324,615,755.20 is: 486,923,632.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,848,011.20 : 1,456,272,016.80 = 324,615,755.20 : x
  2. Step 2: Convert to fraction form
    970,848,011.20/1,456,272,016.80 = 324,615,755.20/x
  3. Step 3: Cross multiply
    970,848,011.20x = 1,456,272,016.80 × 324,615,755.20
  4. Step 4: Simplify right side
    970,848,011.20x = 472,728,840,510,159,040
  5. Step 5: Solve for x
    x = 472,728,840,510,159,040/970,848,011.20
  6. Step 6: Final answer
    x = 486,923,632.80

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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.