Home / 238,885,271,231.81-329,740,236,399.21-190,145,496,084.80

Finding the Fourth Proportional to 238,885,271,231.81, 329,740,236,399.21 and 190,145,496,084.80

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Solution

The fourth proportional to 238,885,271,231.81, 329,740,236,399.21 and 190,145,496,084.80 is: 262,463,317,666.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,885,271,231.81 : 329,740,236,399.21 = 190,145,496,084.80 : x
  2. Step 2: Convert to fraction form
    238,885,271,231.81/329,740,236,399.21 = 190,145,496,084.80/x
  3. Step 3: Cross multiply
    238,885,271,231.81x = 329,740,236,399.21 × 190,145,496,084.80
  4. Step 4: Simplify right side
    238,885,271,231.81x = 62,698,620,829,247,008,145,408
  5. Step 5: Solve for x
    x = 62,698,620,829,247,008,145,408/238,885,271,231.81
  6. Step 6: Final answer
    x = 262,463,317,666.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.