Home / 1,260,177,344.80-1,890,266,017.20-1,090,308,032.80

Finding the Fourth Proportional to 1,260,177,344.80, 1,890,266,017.20 and 1,090,308,032.80

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Solution

The fourth proportional to 1,260,177,344.80, 1,890,266,017.20 and 1,090,308,032.80 is: 1,635,462,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,177,344.80 : 1,890,266,017.20 = 1,090,308,032.80 : x
  2. Step 2: Convert to fraction form
    1,260,177,344.80/1,890,266,017.20 = 1,090,308,032.80/x
  3. Step 3: Cross multiply
    1,260,177,344.80x = 1,890,266,017.20 × 1,090,308,032.80
  4. Step 4: Simplify right side
    1,260,177,344.80x = 2,060,972,222,682,022,912
  5. Step 5: Solve for x
    x = 2,060,972,222,682,022,912/1,260,177,344.80
  6. Step 6: Final answer
    x = 1,635,462,049.20

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Double scale
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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.