Home / 1,539,339,069.78-2,308,775,304.06-418,950,035.28

Finding the Fourth Proportional to 1,539,339,069.78, 2,308,775,304.06 and 418,950,035.28

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Solution

The fourth proportional to 1,539,339,069.78, 2,308,775,304.06 and 418,950,035.28 is: 628,361,557.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,339,069.78 : 2,308,775,304.06 = 418,950,035.28 : x
  2. Step 2: Convert to fraction form
    1,539,339,069.78/2,308,775,304.06 = 418,950,035.28/x
  3. Step 3: Cross multiply
    1,539,339,069.78x = 2,308,775,304.06 × 418,950,035.28
  4. Step 4: Simplify right side
    1,539,339,069.78x = 967,261,495,089,529,600
  5. Step 5: Solve for x
    x = 967,261,495,089,529,600/1,539,339,069.78
  6. Step 6: Final answer
    x = 628,361,557.29

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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.