Finding the Fourth Proportional to 687,170,090.66, 1,030,755,135.99 and 250,503,522.98
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Solution
The fourth proportional to 687,170,090.66, 1,030,755,135.99 and 250,503,522.98 is: 375,755,284.47
Step by Step Solution
- Step 1: Write the proportion equation
687,170,090.66 : 1,030,755,135.99 = 250,503,522.98 : x - Step 2: Convert to fraction form
687,170,090.66/1,030,755,135.99 = 250,503,522.98/x - Step 3: Cross multiply
687,170,090.66x = 1,030,755,135.99 × 250,503,522.98 - Step 4: Simplify right side
687,170,090.66x = 258,207,792,895,223,968 - Step 5: Solve for x
x = 258,207,792,895,223,968/687,170,090.66 - Step 6: Final answer
x = 375,755,284.47
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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.