Home / 823,741,140.40-1,235,592,817.80-414,687,444.40

Finding the Fourth Proportional to 823,741,140.40, 1,235,592,817.80 and 414,687,444.40

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Solution

The fourth proportional to 823,741,140.40, 1,235,592,817.80 and 414,687,444.40 is: 622,021,655.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,741,140.40 : 1,235,592,817.80 = 414,687,444.40 : x
  2. Step 2: Convert to fraction form
    823,741,140.40/1,235,592,817.80 = 414,687,444.40/x
  3. Step 3: Cross multiply
    823,741,140.40x = 1,235,592,817.80 × 414,687,444.40
  4. Step 4: Simplify right side
    823,741,140.40x = 512,384,827,932,476,800
  5. Step 5: Solve for x
    x = 512,384,827,932,476,800/823,741,140.40
  6. Step 6: Final answer
    x = 622,021,655.59

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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.