Home / 1,419,638,732.40-2,129,458,098.60-1,177,774,028.40

Finding the Fourth Proportional to 1,419,638,732.40, 2,129,458,098.60 and 1,177,774,028.40

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Solution

The fourth proportional to 1,419,638,732.40, 2,129,458,098.60 and 1,177,774,028.40 is: 1,766,661,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,638,732.40 : 2,129,458,098.60 = 1,177,774,028.40 : x
  2. Step 2: Convert to fraction form
    1,419,638,732.40/2,129,458,098.60 = 1,177,774,028.40/x
  3. Step 3: Cross multiply
    1,419,638,732.40x = 2,129,458,098.60 × 1,177,774,028.40
  4. Step 4: Simplify right side
    1,419,638,732.40x = 2,508,020,443,097,126,400
  5. Step 5: Solve for x
    x = 2,508,020,443,097,126,400/1,419,638,732.40
  6. Step 6: Final answer
    x = 1,766,661,042.60

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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.