Home / 1,260,174,145.80-1,890,261,218.70-1,090,304,833.80

Finding the Fourth Proportional to 1,260,174,145.80, 1,890,261,218.70 and 1,090,304,833.80

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Solution

The fourth proportional to 1,260,174,145.80, 1,890,261,218.70 and 1,090,304,833.80 is: 1,635,457,250.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,174,145.80 : 1,890,261,218.70 = 1,090,304,833.80 : x
  2. Step 2: Convert to fraction form
    1,260,174,145.80/1,890,261,218.70 = 1,090,304,833.80/x
  3. Step 3: Cross multiply
    1,260,174,145.80x = 1,890,261,218.70 × 1,090,304,833.80
  4. Step 4: Simplify right side
    1,260,174,145.80x = 2,060,960,943,893,288,960
  5. Step 5: Solve for x
    x = 2,060,960,943,893,288,960/1,260,174,145.80
  6. Step 6: Final answer
    x = 1,635,457,250.70

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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.