Home / 377,421,202.60-520,836,293.27-207,872,184.56

Finding the Fourth Proportional to 377,421,202.60, 520,836,293.27 and 207,872,184.56

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Solution

The fourth proportional to 377,421,202.60, 520,836,293.27 and 207,872,184.56 is: 286,860,879.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,421,202.60 : 520,836,293.27 = 207,872,184.56 : x
  2. Step 2: Convert to fraction form
    377,421,202.60/520,836,293.27 = 207,872,184.56/x
  3. Step 3: Cross multiply
    377,421,202.60x = 520,836,293.27 × 207,872,184.56
  4. Step 4: Simplify right side
    377,421,202.60x = 108,267,378,078,083,232
  5. Step 5: Solve for x
    x = 108,267,378,078,083,232/377,421,202.60
  6. Step 6: Final answer
    x = 286,860,879.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.