Home / 1,424,952,413.55-2,137,428,620.33-851,643,485.55

Finding the Fourth Proportional to 1,424,952,413.55, 2,137,428,620.33 and 851,643,485.55

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Solution

The fourth proportional to 1,424,952,413.55, 2,137,428,620.33 and 851,643,485.55 is: 1,277,465,228.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,952,413.55 : 2,137,428,620.33 = 851,643,485.55 : x
  2. Step 2: Convert to fraction form
    1,424,952,413.55/2,137,428,620.33 = 851,643,485.55/x
  3. Step 3: Cross multiply
    1,424,952,413.55x = 2,137,428,620.33 × 851,643,485.55
  4. Step 4: Simplify right side
    1,424,952,413.55x = 1,820,327,160,327,910,400
  5. Step 5: Solve for x
    x = 1,820,327,160,327,910,400/1,424,952,413.55
  6. Step 6: Final answer
    x = 1,277,465,228.33

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Double scale
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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.