Home / 18,217,848,820.80-27,326,773,231.20-10,865,161,819.20

Finding the Fourth Proportional to 18,217,848,820.80, 27,326,773,231.20 and 10,865,161,819.20

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Solution

The fourth proportional to 18,217,848,820.80, 27,326,773,231.20 and 10,865,161,819.20 is: 16,297,742,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217,848,820.80 : 27,326,773,231.20 = 10,865,161,819.20 : x
  2. Step 2: Convert to fraction form
    18,217,848,820.80/27,326,773,231.20 = 10,865,161,819.20/x
  3. Step 3: Cross multiply
    18,217,848,820.80x = 27,326,773,231.20 × 10,865,161,819.20
  4. Step 4: Simplify right side
    18,217,848,820.80x = 296,909,813,153,570,881,536
  5. Step 5: Solve for x
    x = 296,909,813,153,570,881,536/18,217,848,820.80
  6. Step 6: Final answer
    x = 16,297,742,728.80

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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.