Home / 12,358,699,408.10-18,538,049,112.15-11,004,257,065.70

Finding the Fourth Proportional to 12,358,699,408.10, 18,538,049,112.15 and 11,004,257,065.70

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Solution

The fourth proportional to 12,358,699,408.10, 18,538,049,112.15 and 11,004,257,065.70 is: 16,506,385,598.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358,699,408.10 : 18,538,049,112.15 = 11,004,257,065.70 : x
  2. Step 2: Convert to fraction form
    12,358,699,408.10/18,538,049,112.15 = 11,004,257,065.70/x
  3. Step 3: Cross multiply
    12,358,699,408.10x = 18,538,049,112.15 × 11,004,257,065.70
  4. Step 4: Simplify right side
    12,358,699,408.10x = 203,997,457,926,670,286,848
  5. Step 5: Solve for x
    x = 203,997,457,926,670,286,848/12,358,699,408.10
  6. Step 6: Final answer
    x = 16,506,385,598.55

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Double scale
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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.