Home / 1,971,208,413.37-2,720,267,664.11-1,091,142,117.37

Finding the Fourth Proportional to 1,971,208,413.37, 2,720,267,664.11 and 1,091,142,117.37

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Solution

The fourth proportional to 1,971,208,413.37, 2,720,267,664.11 and 1,091,142,117.37 is: 1,505,776,151.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,208,413.37 : 2,720,267,664.11 = 1,091,142,117.37 : x
  2. Step 2: Convert to fraction form
    1,971,208,413.37/2,720,267,664.11 = 1,091,142,117.37/x
  3. Step 3: Cross multiply
    1,971,208,413.37x = 2,720,267,664.11 × 1,091,142,117.37
  4. Step 4: Simplify right side
    1,971,208,413.37x = 2,968,198,618,830,129,152
  5. Step 5: Solve for x
    x = 2,968,198,618,830,129,152/1,971,208,413.37
  6. Step 6: Final answer
    x = 1,505,776,151.67

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.