Home / 5,318,821,409.40-7,978,232,114.10-3,114,829,294.20

Finding the Fourth Proportional to 5,318,821,409.40, 7,978,232,114.10 and 3,114,829,294.20

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Solution

The fourth proportional to 5,318,821,409.40, 7,978,232,114.10 and 3,114,829,294.20 is: 4,672,243,941.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,821,409.40 : 7,978,232,114.10 = 3,114,829,294.20 : x
  2. Step 2: Convert to fraction form
    5,318,821,409.40/7,978,232,114.10 = 3,114,829,294.20/x
  3. Step 3: Cross multiply
    5,318,821,409.40x = 7,978,232,114.10 × 3,114,829,294.20
  4. Step 4: Simplify right side
    5,318,821,409.40x = 24,850,831,104,925,876,224
  5. Step 5: Solve for x
    x = 24,850,831,104,925,876,224/5,318,821,409.40
  6. Step 6: Final answer
    x = 4,672,243,941.30

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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.