Home / 13,214,596,630.72-18,236,519,260.96-7,193,490,331.04

Finding the Fourth Proportional to 13,214,596,630.72, 18,236,519,260.96 and 7,193,490,331.04

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Solution

The fourth proportional to 13,214,596,630.72, 18,236,519,260.96 and 7,193,490,331.04 is: 9,927,221,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214,596,630.72 : 18,236,519,260.96 = 7,193,490,331.04 : x
  2. Step 2: Convert to fraction form
    13,214,596,630.72/18,236,519,260.96 = 7,193,490,331.04/x
  3. Step 3: Cross multiply
    13,214,596,630.72x = 18,236,519,260.96 × 7,193,490,331.04
  4. Step 4: Simplify right side
    13,214,596,630.72x = 131,184,224,975,540,486,144
  5. Step 5: Solve for x
    x = 131,184,224,975,540,486,144/13,214,596,630.72
  6. Step 6: Final answer
    x = 9,927,221,287.30

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Double scale
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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.