Finding the Fourth Proportional to 627,446,604.85, 939,352,420.41 and 472,652,331.42
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Solution
The fourth proportional to 627,446,604.85, 939,352,420.41 and 472,652,331.42 is: 707,609,393.53
Step by Step Solution
- Step 1: Write the proportion equation
627,446,604.85 : 939,352,420.41 = 472,652,331.42 : x - Step 2: Convert to fraction form
627,446,604.85/939,352,420.41 = 472,652,331.42/x - Step 3: Cross multiply
627,446,604.85x = 939,352,420.41 × 472,652,331.42 - Step 4: Simplify right side
627,446,604.85x = 443,987,111,531,806,464 - Step 5: Solve for x
x = 443,987,111,531,806,464/627,446,604.85 - Step 6: Final answer
x = 707,609,393.53
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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.