Home / 12,231,162,962.16-18,346,765,725.08-3,837,712,728.68

Finding the Fourth Proportional to 12,231,162,962.16, 18,346,765,725.08 and 3,837,712,728.68

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Solution

The fourth proportional to 12,231,162,962.16, 18,346,765,725.08 and 3,837,712,728.68 is: 5,756,575,770.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231,162,962.16 : 18,346,765,725.08 = 3,837,712,728.68 : x
  2. Step 2: Convert to fraction form
    12,231,162,962.16/18,346,765,725.08 = 3,837,712,728.68/x
  3. Step 3: Cross multiply
    12,231,162,962.16x = 18,346,765,725.08 × 3,837,712,728.68
  4. Step 4: Simplify right side
    12,231,162,962.16x = 70,409,616,353,138,548,736
  5. Step 5: Solve for x
    x = 70,409,616,353,138,548,736/12,231,162,962.16
  6. Step 6: Final answer
    x = 5,756,575,770.51

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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.