Home / 1,158,970,858.40-1,738,456,287.60-698,672,093.60

Finding the Fourth Proportional to 1,158,970,858.40, 1,738,456,287.60 and 698,672,093.60

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Solution

The fourth proportional to 1,158,970,858.40, 1,738,456,287.60 and 698,672,093.60 is: 1,048,008,140.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,970,858.40 : 1,738,456,287.60 = 698,672,093.60 : x
  2. Step 2: Convert to fraction form
    1,158,970,858.40/1,738,456,287.60 = 698,672,093.60/x
  3. Step 3: Cross multiply
    1,158,970,858.40x = 1,738,456,287.60 × 698,672,093.60
  4. Step 4: Simplify right side
    1,158,970,858.40x = 1,214,610,894,089,575,680
  5. Step 5: Solve for x
    x = 1,214,610,894,089,575,680/1,158,970,858.40
  6. Step 6: Final answer
    x = 1,048,008,140.40

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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.