Home / 891,021,572.40-1,336,000,917.60-546,222,651.60

Finding the Fourth Proportional to 891,021,572.40, 1,336,000,917.60 and 546,222,651.60

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Solution

The fourth proportional to 891,021,572.40, 1,336,000,917.60 and 546,222,651.60 is: 819,008,188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,021,572.40 : 1,336,000,917.60 = 546,222,651.60 : x
  2. Step 2: Convert to fraction form
    891,021,572.40/1,336,000,917.60 = 546,222,651.60/x
  3. Step 3: Cross multiply
    891,021,572.40x = 1,336,000,917.60 × 546,222,651.60
  4. Step 4: Simplify right side
    891,021,572.40x = 729,753,963,751,505,024
  5. Step 5: Solve for x
    x = 729,753,963,751,505,024/891,021,572.40
  6. Step 6: Final answer
    x = 819,008,188.30

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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.