Finding the Fourth Proportional to 627,446,588.55, 939,352,396.05 and 472,652,315.34
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Solution
The fourth proportional to 627,446,588.55, 939,352,396.05 and 472,652,315.34 is: 707,609,369.49
Step by Step Solution
- Step 1: Write the proportion equation
627,446,588.55 : 939,352,396.05 = 472,652,315.34 : x - Step 2: Convert to fraction form
627,446,588.55/939,352,396.05 = 472,652,315.34/x - Step 3: Cross multiply
627,446,588.55x = 939,352,396.05 × 472,652,315.34 - Step 4: Simplify right side
627,446,588.55x = 443,987,084,913,209,152 - Step 5: Solve for x
x = 443,987,084,913,209,152/627,446,588.55 - Step 6: Final answer
x = 707,609,369.49
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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.