Home / 2,105,578,831.08-2,905,743,119.22-1,152,999,575.40

Finding the Fourth Proportional to 2,105,578,831.08, 2,905,743,119.22 and 1,152,999,575.40

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Solution

The fourth proportional to 2,105,578,831.08, 2,905,743,119.22 and 1,152,999,575.40 is: 1,591,163,690.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,578,831.08 : 2,905,743,119.22 = 1,152,999,575.40 : x
  2. Step 2: Convert to fraction form
    2,105,578,831.08/2,905,743,119.22 = 1,152,999,575.40/x
  3. Step 3: Cross multiply
    2,105,578,831.08x = 2,905,743,119.22 × 1,152,999,575.40
  4. Step 4: Simplify right side
    2,105,578,831.08x = 3,350,320,582,682,131,456
  5. Step 5: Solve for x
    x = 3,350,320,582,682,131,456/2,105,578,831.08
  6. Step 6: Final answer
    x = 1,591,163,690.11

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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.