Home / 13,436,931,520.80-20,155,397,281.20-9,954,079,783.20

Finding the Fourth Proportional to 13,436,931,520.80, 20,155,397,281.20 and 9,954,079,783.20

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Solution

The fourth proportional to 13,436,931,520.80, 20,155,397,281.20 and 9,954,079,783.20 is: 14,931,119,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436,931,520.80 : 20,155,397,281.20 = 9,954,079,783.20 : x
  2. Step 2: Convert to fraction form
    13,436,931,520.80/20,155,397,281.20 = 9,954,079,783.20/x
  3. Step 3: Cross multiply
    13,436,931,520.80x = 20,155,397,281.20 × 9,954,079,783.20
  4. Step 4: Simplify right side
    13,436,931,520.80x = 200,628,432,599,157,178,368
  5. Step 5: Solve for x
    x = 200,628,432,599,157,178,368/13,436,931,520.80
  6. Step 6: Final answer
    x = 14,931,119,674.80

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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.