Home / 12,223,147,831.20-18,334,721,746.80-8,271,458,843.40

Finding the Fourth Proportional to 12,223,147,831.20, 18,334,721,746.80 and 8,271,458,843.40

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Solution

The fourth proportional to 12,223,147,831.20, 18,334,721,746.80 and 8,271,458,843.40 is: 12,407,188,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223,147,831.20 : 18,334,721,746.80 = 8,271,458,843.40 : x
  2. Step 2: Convert to fraction form
    12,223,147,831.20/18,334,721,746.80 = 8,271,458,843.40/x
  3. Step 3: Cross multiply
    12,223,147,831.20x = 18,334,721,746.80 × 8,271,458,843.40
  4. Step 4: Simplify right side
    12,223,147,831.20x = 151,654,896,333,847,134,208
  5. Step 5: Solve for x
    x = 151,654,896,333,847,134,208/12,223,147,831.20
  6. Step 6: Final answer
    x = 12,407,188,265.10

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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.