Finding the Fourth Proportional to 1,234,690,212.64, 1,851,645,107.76 and 405,507,241.12
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Solution
The fourth proportional to 1,234,690,212.64, 1,851,645,107.76 and 405,507,241.12 is: 608,132,705.27
Step by Step Solution
- Step 1: Write the proportion equation
1,234,690,212.64 : 1,851,645,107.76 = 405,507,241.12 : x - Step 2: Convert to fraction form
1,234,690,212.64/1,851,645,107.76 = 405,507,241.12/x - Step 3: Cross multiply
1,234,690,212.64x = 1,851,645,107.76 × 405,507,241.12 - Step 4: Simplify right side
1,234,690,212.64x = 750,855,499,181,102,720 - Step 5: Solve for x
x = 750,855,499,181,102,720/1,234,690,212.64 - Step 6: Final answer
x = 608,132,705.27
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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.