Home / 539,352,048.40-809,028,072.60-310,028,477.20

Finding the Fourth Proportional to 539,352,048.40, 809,028,072.60 and 310,028,477.20

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Solution

The fourth proportional to 539,352,048.40, 809,028,072.60 and 310,028,477.20 is: 465,042,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,352,048.40 : 809,028,072.60 = 310,028,477.20 : x
  2. Step 2: Convert to fraction form
    539,352,048.40/809,028,072.60 = 310,028,477.20/x
  3. Step 3: Cross multiply
    539,352,048.40x = 809,028,072.60 × 310,028,477.20
  4. Step 4: Simplify right side
    539,352,048.40x = 250,821,741,360,229,056
  5. Step 5: Solve for x
    x = 250,821,741,360,229,056/539,352,048.40
  6. Step 6: Final answer
    x = 465,042,715.80

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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.