Home / 1,109,808,441.60-1,664,208,777.60-419,486,265.60

Finding the Fourth Proportional to 1,109,808,441.60, 1,664,208,777.60 and 419,486,265.60

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Solution

The fourth proportional to 1,109,808,441.60, 1,664,208,777.60 and 419,486,265.60 is: 629,038,939.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,808,441.60 : 1,664,208,777.60 = 419,486,265.60 : x
  2. Step 2: Convert to fraction form
    1,109,808,441.60/1,664,208,777.60 = 419,486,265.60/x
  3. Step 3: Cross multiply
    1,109,808,441.60x = 1,664,208,777.60 × 419,486,265.60
  4. Step 4: Simplify right side
    1,109,808,441.60x = 698,112,725,294,164,992
  5. Step 5: Solve for x
    x = 698,112,725,294,164,992/1,109,808,441.60
  6. Step 6: Final answer
    x = 629,038,939.63

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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.