Home / 1,012,926,413.90-1,519,389,620.85-849,667,738.70

Finding the Fourth Proportional to 1,012,926,413.90, 1,519,389,620.85 and 849,667,738.70

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Solution

The fourth proportional to 1,012,926,413.90, 1,519,389,620.85 and 849,667,738.70 is: 1,274,501,608.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,926,413.90 : 1,519,389,620.85 = 849,667,738.70 : x
  2. Step 2: Convert to fraction form
    1,012,926,413.90/1,519,389,620.85 = 849,667,738.70/x
  3. Step 3: Cross multiply
    1,012,926,413.90x = 1,519,389,620.85 × 849,667,738.70
  4. Step 4: Simplify right side
    1,012,926,413.90x = 1,290,976,343,351,869,952
  5. Step 5: Solve for x
    x = 1,290,976,343,351,869,952/1,012,926,413.90
  6. Step 6: Final answer
    x = 1,274,501,608.05

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Half scale
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Double scale
Find fourth proportional to 1,012,926,414.90, 1,519,389,622.35 and 849,667,739.70
Similar ratio
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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.