Home / 369,052,210.20-553,200,401.70-215,619,288.60

Finding the Fourth Proportional to 369,052,210.20, 553,200,401.70 and 215,619,288.60

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Solution

The fourth proportional to 369,052,210.20, 553,200,401.70 and 215,619,288.60 is: 323,208,136.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,052,210.20 : 553,200,401.70 = 215,619,288.60 : x
  2. Step 2: Convert to fraction form
    369,052,210.20/553,200,401.70 = 215,619,288.60/x
  3. Step 3: Cross multiply
    369,052,210.20x = 553,200,401.70 × 215,619,288.60
  4. Step 4: Simplify right side
    369,052,210.20x = 119,280,677,067,788,240
  5. Step 5: Solve for x
    x = 119,280,677,067,788,240/369,052,210.20
  6. Step 6: Final answer
    x = 323,208,136.33

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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.