Home / 660,384,093.20-990,576,139.80-373,729,629.20

Finding the Fourth Proportional to 660,384,093.20, 990,576,139.80 and 373,729,629.20

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Solution

The fourth proportional to 660,384,093.20, 990,576,139.80 and 373,729,629.20 is: 560,594,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,384,093.20 : 990,576,139.80 = 373,729,629.20 : x
  2. Step 2: Convert to fraction form
    660,384,093.20/990,576,139.80 = 373,729,629.20/x
  3. Step 3: Cross multiply
    660,384,093.20x = 990,576,139.80 × 373,729,629.20
  4. Step 4: Simplify right side
    660,384,093.20x = 370,207,653,421,821,312
  5. Step 5: Solve for x
    x = 370,207,653,421,821,312/660,384,093.20
  6. Step 6: Final answer
    x = 560,594,443.80

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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.