Home / 20,199,131,964.90-30,298,697,947.35-8,404,330,410.90

Finding the Fourth Proportional to 20,199,131,964.90, 30,298,697,947.35 and 8,404,330,410.90

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Solution

The fourth proportional to 20,199,131,964.90, 30,298,697,947.35 and 8,404,330,410.90 is: 12,606,495,616.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199,131,964.90 : 30,298,697,947.35 = 8,404,330,410.90 : x
  2. Step 2: Convert to fraction form
    20,199,131,964.90/30,298,697,947.35 = 8,404,330,410.90/x
  3. Step 3: Cross multiply
    20,199,131,964.90x = 30,298,697,947.35 × 8,404,330,410.90
  4. Step 4: Simplify right side
    20,199,131,964.90x = 254,640,268,569,586,991,104
  5. Step 5: Solve for x
    x = 254,640,268,569,586,991,104/20,199,131,964.90
  6. Step 6: Final answer
    x = 12,606,495,616.35

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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.