Home / 2,798,478,902.16-3,861,902,351.04-1,528,337,274

Finding the Fourth Proportional to 2,798,478,902.16, 3,861,902,351.04 and 1,528,337,274

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Solution

The fourth proportional to 2,798,478,902.16, 3,861,902,351.04 and 1,528,337,274 is: 2,109,106,238.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,478,902.16 : 3,861,902,351.04 = 1,528,337,274 : x
  2. Step 2: Convert to fraction form
    2,798,478,902.16/3,861,902,351.04 = 1,528,337,274/x
  3. Step 3: Cross multiply
    2,798,478,902.16x = 3,861,902,351.04 × 1,528,337,274
  4. Step 4: Simplify right side
    2,798,478,902.16x = 5,902,289,311,642,664,960
  5. Step 5: Solve for x
    x = 5,902,289,311,642,664,960/2,798,478,902.16
  6. Step 6: Final answer
    x = 2,109,106,238.78

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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.