Home / 3,421,621,485.71-5,134,591,207.62-1,456,471,356.20

Finding the Fourth Proportional to 3,421,621,485.71, 5,134,591,207.62 and 1,456,471,356.20

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Solution

The fourth proportional to 3,421,621,485.71, 5,134,591,207.62 and 1,456,471,356.20 is: 2,185,626,040.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421,621,485.71 : 5,134,591,207.62 = 1,456,471,356.20 : x
  2. Step 2: Convert to fraction form
    3,421,621,485.71/5,134,591,207.62 = 1,456,471,356.20/x
  3. Step 3: Cross multiply
    3,421,621,485.71x = 5,134,591,207.62 × 1,456,471,356.20
  4. Step 4: Simplify right side
    3,421,621,485.71x = 7,478,385,019,694,897,152
  5. Step 5: Solve for x
    x = 7,478,385,019,694,897,152/3,421,621,485.71
  6. Step 6: Final answer
    x = 2,185,626,040.44

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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.