Home / 603,140,415.20-904,192,466.88-209,616,113.12

Finding the Fourth Proportional to 603,140,415.20, 904,192,466.88 and 209,616,113.12

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Solution

The fourth proportional to 603,140,415.20, 904,192,466.88 and 209,616,113.12 is: 314,244,089.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,140,415.20 : 904,192,466.88 = 209,616,113.12 : x
  2. Step 2: Convert to fraction form
    603,140,415.20/904,192,466.88 = 209,616,113.12/x
  3. Step 3: Cross multiply
    603,140,415.20x = 904,192,466.88 × 209,616,113.12
  4. Step 4: Simplify right side
    603,140,415.20x = 189,533,310,419,769,952
  5. Step 5: Solve for x
    x = 189,533,310,419,769,952/603,140,415.20
  6. Step 6: Final answer
    x = 314,244,089.18

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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.