Home / 679,318,533,361.43-1,018,971,084,993.20-311,226,814,961.67

Finding the Fourth Proportional to 679,318,533,361.43, 1,018,971,084,993.20 and 311,226,814,961.67

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Solution

The fourth proportional to 679,318,533,361.43, 1,018,971,084,993.20 and 311,226,814,961.67 is: 466,837,145,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,318,533,361.43 : 1,018,971,084,993.20 = 311,226,814,961.67 : x
  2. Step 2: Convert to fraction form
    679,318,533,361.43/1,018,971,084,993.20 = 311,226,814,961.67/x
  3. Step 3: Cross multiply
    679,318,533,361.43x = 1,018,971,084,993.20 × 311,226,814,961.67
  4. Step 4: Simplify right side
    679,318,533,361.43x = 317,131,125,320,470,709,141,504
  5. Step 5: Solve for x
    x = 317,131,125,320,470,709,141,504/679,318,533,361.43
  6. Step 6: Final answer
    x = 466,837,145,972.20

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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.