Home / 479,143,677.09-661,224,698.94-270,299,173.89

Finding the Fourth Proportional to 479,143,677.09, 661,224,698.94 and 270,299,173.89

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Solution

The fourth proportional to 479,143,677.09, 661,224,698.94 and 270,299,173.89 is: 373,016,484.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,143,677.09 : 661,224,698.94 = 270,299,173.89 : x
  2. Step 2: Convert to fraction form
    479,143,677.09/661,224,698.94 = 270,299,173.89/x
  3. Step 3: Cross multiply
    479,143,677.09x = 661,224,698.94 × 270,299,173.89
  4. Step 4: Simplify right side
    479,143,677.09x = 178,728,489,877,409,440
  5. Step 5: Solve for x
    x = 178,728,489,877,409,440/479,143,677.09
  6. Step 6: Final answer
    x = 373,016,484.25

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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.