Home / 660,388,524.20-990,582,786.30-373,734,060.20

Finding the Fourth Proportional to 660,388,524.20, 990,582,786.30 and 373,734,060.20

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Solution

The fourth proportional to 660,388,524.20, 990,582,786.30 and 373,734,060.20 is: 560,601,090.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,388,524.20 : 990,582,786.30 = 373,734,060.20 : x
  2. Step 2: Convert to fraction form
    660,388,524.20/990,582,786.30 = 373,734,060.20/x
  3. Step 3: Cross multiply
    660,388,524.20x = 990,582,786.30 × 373,734,060.20
  4. Step 4: Simplify right side
    660,388,524.20x = 370,214,526,688,127,936
  5. Step 5: Solve for x
    x = 370,214,526,688,127,936/660,388,524.20
  6. Step 6: Final answer
    x = 560,601,090.30

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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.