Finding the Fourth Proportional to 1,359,549,374,103.60, 1,877,025,012,051.90 and 865,432,832,202.75
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Solution
The fourth proportional to 1,359,549,374,103.60, 1,877,025,012,051.90 and 865,432,832,202.75 is: 1,194,836,394,497.65
Step by Step Solution
- Step 1: Write the proportion equation
1,359,549,374,103.60 : 1,877,025,012,051.90 = 865,432,832,202.75 : x - Step 2: Convert to fraction form
1,359,549,374,103.60/1,877,025,012,051.90 = 865,432,832,202.75/x - Step 3: Cross multiply
1,359,549,374,103.60x = 1,877,025,012,051.90 × 865,432,832,202.75 - Step 4: Simplify right side
1,359,549,374,103.60x = 1,624,439,072,295,476,648,738,816 - Step 5: Solve for x
x = 1,624,439,072,295,476,648,738,816/1,359,549,374,103.60 - Step 6: Final answer
x = 1,194,836,394,497.65
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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.