Home / 1,194,287,493.78-1,648,124,391.94-665,684,997.66

Finding the Fourth Proportional to 1,194,287,493.78, 1,648,124,391.94 and 665,684,997.66

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Solution

The fourth proportional to 1,194,287,493.78, 1,648,124,391.94 and 665,684,997.66 is: 918,649,561.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194,287,493.78 : 1,648,124,391.94 = 665,684,997.66 : x
  2. Step 2: Convert to fraction form
    1,194,287,493.78/1,648,124,391.94 = 665,684,997.66/x
  3. Step 3: Cross multiply
    1,194,287,493.78x = 1,648,124,391.94 × 665,684,997.66
  4. Step 4: Simplify right side
    1,194,287,493.78x = 1,097,131,681,991,967,744
  5. Step 5: Solve for x
    x = 1,097,131,681,991,967,744/1,194,287,493.78
  6. Step 6: Final answer
    x = 918,649,561.10

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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.