Home / 6,978,351,813-10,467,618,894.78-2,320,225,777.32

Finding the Fourth Proportional to 6,978,351,813, 10,467,618,894.78 and 2,320,225,777.32

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Solution

The fourth proportional to 6,978,351,813, 10,467,618,894.78 and 2,320,225,777.32 is: 3,480,368,980.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,978,351,813 : 10,467,618,894.78 = 2,320,225,777.32 : x
  2. Step 2: Convert to fraction form
    6,978,351,813/10,467,618,894.78 = 2,320,225,777.32/x
  3. Step 3: Cross multiply
    6,978,351,813x = 10,467,618,894.78 × 2,320,225,777.32
  4. Step 4: Simplify right side
    6,978,351,813x = 24,287,239,186,830,446,592
  5. Step 5: Solve for x
    x = 24,287,239,186,830,446,592/6,978,351,813
  6. Step 6: Final answer
    x = 3,480,368,980.77

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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.