Home / 1,115,473,413.20-1,673,210,119.80-993,029,406.80

Finding the Fourth Proportional to 1,115,473,413.20, 1,673,210,119.80 and 993,029,406.80

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Solution

The fourth proportional to 1,115,473,413.20, 1,673,210,119.80 and 993,029,406.80 is: 1,489,544,110.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,473,413.20 : 1,673,210,119.80 = 993,029,406.80 : x
  2. Step 2: Convert to fraction form
    1,115,473,413.20/1,673,210,119.80 = 993,029,406.80/x
  3. Step 3: Cross multiply
    1,115,473,413.20x = 1,673,210,119.80 × 993,029,406.80
  4. Step 4: Simplify right side
    1,115,473,413.20x = 1,661,546,852,716,750,848
  5. Step 5: Solve for x
    x = 1,661,546,852,716,750,848/1,115,473,413.20
  6. Step 6: Final answer
    x = 1,489,544,110.20

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1.5x scale

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.