Finding the Fourth Proportional to 1,241,304,551.14, 1,862,148,145.47 and 423,225,533.38
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Solution
The fourth proportional to 1,241,304,551.14, 1,862,148,145.47 and 423,225,533.38 is: 634,903,530.62
Step by Step Solution
- Step 1: Write the proportion equation
1,241,304,551.14 : 1,862,148,145.47 = 423,225,533.38 : x - Step 2: Convert to fraction form
1,241,304,551.14/1,862,148,145.47 = 423,225,533.38/x - Step 3: Cross multiply
1,241,304,551.14x = 1,862,148,145.47 × 423,225,533.38 - Step 4: Simplify right side
1,241,304,551.14x = 788,108,642,089,807,872 - Step 5: Solve for x
x = 788,108,642,089,807,872/1,241,304,551.14 - Step 6: Final answer
x = 634,903,530.62
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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.