Finding the Fourth Proportional to 1,115,634,135.60, 1,673,451,203.40 and 1,047,609,687.60
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Solution
The fourth proportional to 1,115,634,135.60, 1,673,451,203.40 and 1,047,609,687.60 is: 1,571,414,531.40
Step by Step Solution
- Step 1: Write the proportion equation
1,115,634,135.60 : 1,673,451,203.40 = 1,047,609,687.60 : x - Step 2: Convert to fraction form
1,115,634,135.60/1,673,451,203.40 = 1,047,609,687.60/x - Step 3: Cross multiply
1,115,634,135.60x = 1,673,451,203.40 × 1,047,609,687.60 - Step 4: Simplify right side
1,115,634,135.60x = 1,753,123,692,407,718,144 - Step 5: Solve for x
x = 1,753,123,692,407,718,144/1,115,634,135.60 - Step 6: Final answer
x = 1,571,414,531.40
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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.