Home / 1,855,734,359.70-2,783,601,539.55-628,902,811.20

Finding the Fourth Proportional to 1,855,734,359.70, 2,783,601,539.55 and 628,902,811.20

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Solution

The fourth proportional to 1,855,734,359.70, 2,783,601,539.55 and 628,902,811.20 is: 943,354,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,734,359.70 : 2,783,601,539.55 = 628,902,811.20 : x
  2. Step 2: Convert to fraction form
    1,855,734,359.70/2,783,601,539.55 = 628,902,811.20/x
  3. Step 3: Cross multiply
    1,855,734,359.70x = 2,783,601,539.55 × 628,902,811.20
  4. Step 4: Simplify right side
    1,855,734,359.70x = 1,750,614,833,483,643,136
  5. Step 5: Solve for x
    x = 1,750,614,833,483,643,136/1,855,734,359.70
  6. Step 6: Final answer
    x = 943,354,216.80

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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.