Home / 575,455,487.40-863,183,231.10-211,902,604.20

Finding the Fourth Proportional to 575,455,487.40, 863,183,231.10 and 211,902,604.20

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Solution

The fourth proportional to 575,455,487.40, 863,183,231.10 and 211,902,604.20 is: 317,853,906.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,455,487.40 : 863,183,231.10 = 211,902,604.20 : x
  2. Step 2: Convert to fraction form
    575,455,487.40/863,183,231.10 = 211,902,604.20/x
  3. Step 3: Cross multiply
    575,455,487.40x = 863,183,231.10 × 211,902,604.20
  4. Step 4: Simplify right side
    575,455,487.40x = 182,910,774,571,860,416
  5. Step 5: Solve for x
    x = 182,910,774,571,860,416/575,455,487.40
  6. Step 6: Final answer
    x = 317,853,906.30

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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.