Home / 377,238,175.77-520,588,707.59-209,970,847.35

Finding the Fourth Proportional to 377,238,175.77, 520,588,707.59 and 209,970,847.35

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Solution

The fourth proportional to 377,238,175.77, 520,588,707.59 and 209,970,847.35 is: 289,759,783.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,238,175.77 : 520,588,707.59 = 209,970,847.35 : x
  2. Step 2: Convert to fraction form
    377,238,175.77/520,588,707.59 = 209,970,847.35/x
  3. Step 3: Cross multiply
    377,238,175.77x = 520,588,707.59 × 209,970,847.35
  4. Step 4: Simplify right side
    377,238,175.77x = 109,308,452,053,513,664
  5. Step 5: Solve for x
    x = 109,308,452,053,513,664/377,238,175.77
  6. Step 6: Final answer
    x = 289,759,783.27

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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.