Finding the Fourth Proportional to 639,851,781,637.54, 959,675,505,400.80 and 186,464,633,490.64
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Solution
The fourth proportional to 639,851,781,637.54, 959,675,505,400.80 and 186,464,633,490.64 is: 279,667,176,867.96
Step by Step Solution
- Step 1: Write the proportion equation
639,851,781,637.54 : 959,675,505,400.80 = 186,464,633,490.64 : x - Step 2: Convert to fraction form
639,851,781,637.54/959,675,505,400.80 = 186,464,633,490.64/x - Step 3: Cross multiply
639,851,781,637.54x = 959,675,505,400.80 × 186,464,633,490.64 - Step 4: Simplify right side
639,851,781,637.54x = 178,945,541,384,504,919,195,648 - Step 5: Solve for x
x = 178,945,541,384,504,919,195,648/639,851,781,637.54 - Step 6: Final answer
x = 279,667,176,867.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.