Home / 373,643,559.33-515,628,092.21-201,784,622.87

Finding the Fourth Proportional to 373,643,559.33, 515,628,092.21 and 201,784,622.87

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Solution

The fourth proportional to 373,643,559.33, 515,628,092.21 and 201,784,622.87 is: 278,462,768.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,643,559.33 : 515,628,092.21 = 201,784,622.87 : x
  2. Step 2: Convert to fraction form
    373,643,559.33/515,628,092.21 = 201,784,622.87/x
  3. Step 3: Cross multiply
    373,643,559.33x = 515,628,092.21 × 201,784,622.87
  4. Step 4: Simplify right side
    373,643,559.33x = 104,045,820,124,185,376
  5. Step 5: Solve for x
    x = 104,045,820,124,185,376/373,643,559.33
  6. Step 6: Final answer
    x = 278,462,768.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.