Home / 1,244,477,125.60-1,866,267,790.80-630,857,413.60

Finding the Fourth Proportional to 1,244,477,125.60, 1,866,267,790.80 and 630,857,413.60

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Solution

The fourth proportional to 1,244,477,125.60, 1,866,267,790.80 and 630,857,413.60 is: 946,059,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,477,125.60 : 1,866,267,790.80 = 630,857,413.60 : x
  2. Step 2: Convert to fraction form
    1,244,477,125.60/1,866,267,790.80 = 630,857,413.60/x
  3. Step 3: Cross multiply
    1,244,477,125.60x = 1,866,267,790.80 × 630,857,413.60
  4. Step 4: Simplify right side
    1,244,477,125.60x = 1,177,348,871,589,073,920
  5. Step 5: Solve for x
    x = 1,177,348,871,589,073,920/1,244,477,125.60
  6. Step 6: Final answer
    x = 946,059,069.60

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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.