Home / 2,921,972,033.16-4,380,333,487.08-1,427,157,831.12

Finding the Fourth Proportional to 2,921,972,033.16, 4,380,333,487.08 and 1,427,157,831.12

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Solution

The fourth proportional to 2,921,972,033.16, 4,380,333,487.08 and 1,427,157,831.12 is: 2,139,454,850.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921,972,033.16 : 4,380,333,487.08 = 1,427,157,831.12 : x
  2. Step 2: Convert to fraction form
    2,921,972,033.16/4,380,333,487.08 = 1,427,157,831.12/x
  3. Step 3: Cross multiply
    2,921,972,033.16x = 4,380,333,487.08 × 1,427,157,831.12
  4. Step 4: Simplify right side
    2,921,972,033.16x = 6,251,427,239,003,399,168
  5. Step 5: Solve for x
    x = 6,251,427,239,003,399,168/2,921,972,033.16
  6. Step 6: Final answer
    x = 2,139,454,850.37

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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.