Home / 13,198,168,514.20-18,213,567,298.38-7,176,630,769.24

Finding the Fourth Proportional to 13,198,168,514.20, 18,213,567,298.38 and 7,176,630,769.24

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Solution

The fourth proportional to 13,198,168,514.20, 18,213,567,298.38 and 7,176,630,769.24 is: 9,903,801,982.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,198,168,514.20 : 18,213,567,298.38 = 7,176,630,769.24 : x
  2. Step 2: Convert to fraction form
    13,198,168,514.20/18,213,567,298.38 = 7,176,630,769.24/x
  3. Step 3: Cross multiply
    13,198,168,514.20x = 18,213,567,298.38 × 7,176,630,769.24
  4. Step 4: Simplify right side
    13,198,168,514.20x = 130,712,047,491,177,365,504
  5. Step 5: Solve for x
    x = 130,712,047,491,177,365,504/13,198,168,514.20
  6. Step 6: Final answer
    x = 9,903,801,982.11

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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.