Home / 377,238,166.89-520,588,695.34-209,970,838.48

Finding the Fourth Proportional to 377,238,166.89, 520,588,695.34 and 209,970,838.48

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Solution

The fourth proportional to 377,238,166.89, 520,588,695.34 and 209,970,838.48 is: 289,759,771.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,238,166.89 : 520,588,695.34 = 209,970,838.48 : x
  2. Step 2: Convert to fraction form
    377,238,166.89/520,588,695.34 = 209,970,838.48/x
  3. Step 3: Cross multiply
    377,238,166.89x = 520,588,695.34 × 209,970,838.48
  4. Step 4: Simplify right side
    377,238,166.89x = 109,308,444,860,621,184
  5. Step 5: Solve for x
    x = 109,308,444,860,621,184/377,238,166.89
  6. Step 6: Final answer
    x = 289,759,771.03

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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.