Home / 194,038,187,813.40-291,057,281,720.10-165,631,178,328.60

Finding the Fourth Proportional to 194,038,187,813.40, 291,057,281,720.10 and 165,631,178,328.60

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Solution

The fourth proportional to 194,038,187,813.40, 291,057,281,720.10 and 165,631,178,328.60 is: 248,446,767,492.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,038,187,813.40 : 291,057,281,720.10 = 165,631,178,328.60 : x
  2. Step 2: Convert to fraction form
    194,038,187,813.40/291,057,281,720.10 = 165,631,178,328.60/x
  3. Step 3: Cross multiply
    194,038,187,813.40x = 291,057,281,720.10 × 165,631,178,328.60
  4. Step 4: Simplify right side
    194,038,187,813.40x = 48,208,160,532,419,449,978,880
  5. Step 5: Solve for x
    x = 48,208,160,532,419,449,978,880/194,038,187,813.40
  6. Step 6: Final answer
    x = 248,446,767,492.90

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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.