Home / 7,376,095,831.70-10,179,042,915.82-3,989,005,121.28

Finding the Fourth Proportional to 7,376,095,831.70, 10,179,042,915.82 and 3,989,005,121.28

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Solution

The fourth proportional to 7,376,095,831.70, 10,179,042,915.82 and 3,989,005,121.28 is: 5,504,843,652.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376,095,831.70 : 10,179,042,915.82 = 3,989,005,121.28 : x
  2. Step 2: Convert to fraction form
    7,376,095,831.70/10,179,042,915.82 = 3,989,005,121.28/x
  3. Step 3: Cross multiply
    7,376,095,831.70x = 10,179,042,915.82 × 3,989,005,121.28
  4. Step 4: Simplify right side
    7,376,095,831.70x = 40,604,254,320,934,887,424
  5. Step 5: Solve for x
    x = 40,604,254,320,934,887,424/7,376,095,831.70
  6. Step 6: Final answer
    x = 5,504,843,652.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.