Home / 660,388,525.20-990,582,787.80-373,734,061.20

Finding the Fourth Proportional to 660,388,525.20, 990,582,787.80 and 373,734,061.20

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Solution

The fourth proportional to 660,388,525.20, 990,582,787.80 and 373,734,061.20 is: 560,601,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,388,525.20 : 990,582,787.80 = 373,734,061.20 : x
  2. Step 2: Convert to fraction form
    660,388,525.20/990,582,787.80 = 373,734,061.20/x
  3. Step 3: Cross multiply
    660,388,525.20x = 990,582,787.80 × 373,734,061.20
  4. Step 4: Simplify right side
    660,388,525.20x = 370,214,528,239,311,808
  5. Step 5: Solve for x
    x = 370,214,528,239,311,808/660,388,525.20
  6. Step 6: Final answer
    x = 560,601,091.80

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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.