Home / 753,838,413.20-1,129,917,811.80-293,623,629.20

Finding the Fourth Proportional to 753,838,413.20, 1,129,917,811.80 and 293,623,629.20

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Solution

The fourth proportional to 753,838,413.20, 1,129,917,811.80 and 293,623,629.20 is: 440,108,334.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,838,413.20 : 1,129,917,811.80 = 293,623,629.20 : x
  2. Step 2: Convert to fraction form
    753,838,413.20/1,129,917,811.80 = 293,623,629.20/x
  3. Step 3: Cross multiply
    753,838,413.20x = 1,129,917,811.80 × 293,623,629.20
  4. Step 4: Simplify right side
    753,838,413.20x = 331,770,568,598,438,528
  5. Step 5: Solve for x
    x = 331,770,568,598,438,528/753,838,413.20
  6. Step 6: Final answer
    x = 440,108,334.61

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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.