Home / 400,127,877.84-599,571,999.10-277,544,515.80

Finding the Fourth Proportional to 400,127,877.84, 599,571,999.10 and 277,544,515.80

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Solution

The fourth proportional to 400,127,877.84, 599,571,999.10 and 277,544,515.80 is: 415,886,843.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,127,877.84 : 599,571,999.10 = 277,544,515.80 : x
  2. Step 2: Convert to fraction form
    400,127,877.84/599,571,999.10 = 277,544,515.80/x
  3. Step 3: Cross multiply
    400,127,877.84x = 599,571,999.10 × 277,544,515.80
  4. Step 4: Simplify right side
    400,127,877.84x = 166,407,920,178,477,504
  5. Step 5: Solve for x
    x = 166,407,920,178,477,504/400,127,877.84
  6. Step 6: Final answer
    x = 415,886,843.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.