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Finding the Fourth Proportional to 10,353,609,279.45, 15,530,413,919.18 and 10,353,609,279.45

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Solution

The fourth proportional to 10,353,609,279.45, 15,530,413,919.18 and 10,353,609,279.45 is: 15,530,413,919.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353,609,279.45 : 15,530,413,919.18 = 10,353,609,279.45 : x
  2. Step 2: Convert to fraction form
    10,353,609,279.45/15,530,413,919.18 = 10,353,609,279.45/x
  3. Step 3: Cross multiply
    10,353,609,279.45x = 15,530,413,919.18 × 10,353,609,279.45
  4. Step 4: Simplify right side
    10,353,609,279.45x = 160,795,837,667,269,738,496
  5. Step 5: Solve for x
    x = 160,795,837,667,269,738,496/10,353,609,279.45
  6. Step 6: Final answer
    x = 15,530,413,919.18

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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.