Home / 381,085,190.64-525,703,661.64-249,003,405.36

Finding the Fourth Proportional to 381,085,190.64, 525,703,661.64 and 249,003,405.36

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Solution

The fourth proportional to 381,085,190.64, 525,703,661.64 and 249,003,405.36 is: 343,498,003.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,085,190.64 : 525,703,661.64 = 249,003,405.36 : x
  2. Step 2: Convert to fraction form
    381,085,190.64/525,703,661.64 = 249,003,405.36/x
  3. Step 3: Cross multiply
    381,085,190.64x = 525,703,661.64 × 249,003,405.36
  4. Step 4: Simplify right side
    381,085,190.64x = 130,902,001,958,581,200
  5. Step 5: Solve for x
    x = 130,902,001,958,581,200/381,085,190.64
  6. Step 6: Final answer
    x = 343,498,003.00

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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.