Home / 1,057,043,396.20-1,586,131,964.70-443,689,623.40

Finding the Fourth Proportional to 1,057,043,396.20, 1,586,131,964.70 and 443,689,623.40

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Solution

The fourth proportional to 1,057,043,396.20, 1,586,131,964.70 and 443,689,623.40 is: 665,772,376.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,043,396.20 : 1,586,131,964.70 = 443,689,623.40 : x
  2. Step 2: Convert to fraction form
    1,057,043,396.20/1,586,131,964.70 = 443,689,623.40/x
  3. Step 3: Cross multiply
    1,057,043,396.20x = 1,586,131,964.70 × 443,689,623.40
  4. Step 4: Simplify right side
    1,057,043,396.20x = 703,750,294,080,445,056
  5. Step 5: Solve for x
    x = 703,750,294,080,445,056/1,057,043,396.20
  6. Step 6: Final answer
    x = 665,772,376.62

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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.