Home / 13,271,807,831.20-18,315,364,797.36-7,250,703,222.40

Finding the Fourth Proportional to 13,271,807,831.20, 18,315,364,797.36 and 7,250,703,222.40

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Solution

The fourth proportional to 13,271,807,831.20, 18,315,364,797.36 and 7,250,703,222.40 is: 10,006,117,949.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271,807,831.20 : 18,315,364,797.36 = 7,250,703,222.40 : x
  2. Step 2: Convert to fraction form
    13,271,807,831.20/18,315,364,797.36 = 7,250,703,222.40/x
  3. Step 3: Cross multiply
    13,271,807,831.20x = 18,315,364,797.36 × 7,250,703,222.40
  4. Step 4: Simplify right side
    13,271,807,831.20x = 132,799,274,555,649,671,168
  5. Step 5: Solve for x
    x = 132,799,274,555,649,671,168/13,271,807,831.20
  6. Step 6: Final answer
    x = 10,006,117,949.02

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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.