Home / 662,820,022.38-993,104,903.07-399,952,203.30

Finding the Fourth Proportional to 662,820,022.38, 993,104,903.07 and 399,952,203.30

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Solution

The fourth proportional to 662,820,022.38, 993,104,903.07 and 399,952,203.30 is: 599,249,390.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,820,022.38 : 993,104,903.07 = 399,952,203.30 : x
  2. Step 2: Convert to fraction form
    662,820,022.38/993,104,903.07 = 399,952,203.30/x
  3. Step 3: Cross multiply
    662,820,022.38x = 993,104,903.07 × 399,952,203.30
  4. Step 4: Simplify right side
    662,820,022.38x = 397,194,494,090,879,488
  5. Step 5: Solve for x
    x = 397,194,494,090,879,488/662,820,022.38
  6. Step 6: Final answer
    x = 599,249,390.00

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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.