Home / 13,170,073,413.20-19,758,990,842.75-5,305,438,677.20

Finding the Fourth Proportional to 13,170,073,413.20, 19,758,990,842.75 and 5,305,438,677.20

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Solution

The fourth proportional to 13,170,073,413.20, 19,758,990,842.75 and 5,305,438,677.20 is: 7,959,721,328.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170,073,413.20 : 19,758,990,842.75 = 5,305,438,677.20 : x
  2. Step 2: Convert to fraction form
    13,170,073,413.20/19,758,990,842.75 = 5,305,438,677.20/x
  3. Step 3: Cross multiply
    13,170,073,413.20x = 19,758,990,842.75 × 5,305,438,677.20
  4. Step 4: Simplify right side
    13,170,073,413.20x = 104,830,114,239,478,284,288
  5. Step 5: Solve for x
    x = 104,830,114,239,478,284,288/13,170,073,413.20
  6. Step 6: Final answer
    x = 7,959,721,328.09

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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.