Home / 1,158,970,852.40-1,738,456,278.60-698,672,087.60

Finding the Fourth Proportional to 1,158,970,852.40, 1,738,456,278.60 and 698,672,087.60

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Solution

The fourth proportional to 1,158,970,852.40, 1,738,456,278.60 and 698,672,087.60 is: 1,048,008,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,970,852.40 : 1,738,456,278.60 = 698,672,087.60 : x
  2. Step 2: Convert to fraction form
    1,158,970,852.40/1,738,456,278.60 = 698,672,087.60/x
  3. Step 3: Cross multiply
    1,158,970,852.40x = 1,738,456,278.60 × 698,672,087.60
  4. Step 4: Simplify right side
    1,158,970,852.40x = 1,214,610,877,370,789,120
  5. Step 5: Solve for x
    x = 1,214,610,877,370,789,120/1,158,970,852.40
  6. Step 6: Final answer
    x = 1,048,008,131.40

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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.