Home / 1,239,026,831.16-1,858,880,791.80-365,628,289.92

Finding the Fourth Proportional to 1,239,026,831.16, 1,858,880,791.80 and 365,628,289.92

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Solution

The fourth proportional to 1,239,026,831.16, 1,858,880,791.80 and 365,628,289.92 is: 548,542,927.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,026,831.16 : 1,858,880,791.80 = 365,628,289.92 : x
  2. Step 2: Convert to fraction form
    1,239,026,831.16/1,858,880,791.80 = 365,628,289.92/x
  3. Step 3: Cross multiply
    1,239,026,831.16x = 1,858,880,791.80 × 365,628,289.92
  4. Step 4: Simplify right side
    1,239,026,831.16x = 679,659,405,070,969,600
  5. Step 5: Solve for x
    x = 679,659,405,070,969,600/1,239,026,831.16
  6. Step 6: Final answer
    x = 548,542,927.38

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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.