Home / 541,484,085.72-810,901,478.40-489,079,476.12

Finding the Fourth Proportional to 541,484,085.72, 810,901,478.40 and 489,079,476.12

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Solution

The fourth proportional to 541,484,085.72, 810,901,478.40 and 489,079,476.12 is: 732,422,763.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,484,085.72 : 810,901,478.40 = 489,079,476.12 : x
  2. Step 2: Convert to fraction form
    541,484,085.72/810,901,478.40 = 489,079,476.12/x
  3. Step 3: Cross multiply
    541,484,085.72x = 810,901,478.40 × 489,079,476.12
  4. Step 4: Simplify right side
    541,484,085.72x = 396,595,270,240,805,504
  5. Step 5: Solve for x
    x = 396,595,270,240,805,504/541,484,085.72
  6. Step 6: Final answer
    x = 732,422,763.11

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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.