Home / 368,291,784.80-508,166,792.91-211,628,624.51

Finding the Fourth Proportional to 368,291,784.80, 508,166,792.91 and 211,628,624.51

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Solution

The fourth proportional to 368,291,784.80, 508,166,792.91 and 211,628,624.51 is: 292,003,905.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,291,784.80 : 508,166,792.91 = 211,628,624.51 : x
  2. Step 2: Convert to fraction form
    368,291,784.80/508,166,792.91 = 211,628,624.51/x
  3. Step 3: Cross multiply
    368,291,784.80x = 508,166,792.91 × 211,628,624.51
  4. Step 4: Simplify right side
    368,291,784.80x = 107,542,639,406,471,744
  5. Step 5: Solve for x
    x = 107,542,639,406,471,744/368,291,784.80
  6. Step 6: Final answer
    x = 292,003,905.18

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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.