Home / 7,791,789,121.63-10,752,380,919.43-4,223,419,413.74

Finding the Fourth Proportional to 7,791,789,121.63, 10,752,380,919.43 and 4,223,419,413.74

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Solution

The fourth proportional to 7,791,789,121.63, 10,752,380,919.43 and 4,223,419,413.74 is: 5,828,162,647.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791,789,121.63 : 10,752,380,919.43 = 4,223,419,413.74 : x
  2. Step 2: Convert to fraction form
    7,791,789,121.63/10,752,380,919.43 = 4,223,419,413.74/x
  3. Step 3: Cross multiply
    7,791,789,121.63x = 10,752,380,919.43 × 4,223,419,413.74
  4. Step 4: Simplify right side
    7,791,789,121.63x = 45,411,814,319,041,069,056
  5. Step 5: Solve for x
    x = 45,411,814,319,041,069,056/7,791,789,121.63
  6. Step 6: Final answer
    x = 5,828,162,647.91

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1.5x scale

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.