Finding the Fourth Proportional to 517,877,401.21, 777,307,215.62 and 320,543,897.96
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Solution
The fourth proportional to 517,877,401.21, 777,307,215.62 and 320,543,897.96 is: 481,119,825.33
Step by Step Solution
- Step 1: Write the proportion equation
517,877,401.21 : 777,307,215.62 = 320,543,897.96 : x - Step 2: Convert to fraction form
517,877,401.21/777,307,215.62 = 320,543,897.96/x - Step 3: Cross multiply
517,877,401.21x = 777,307,215.62 × 320,543,897.96 - Step 4: Simplify right side
517,877,401.21x = 249,161,084,810,013,600 - Step 5: Solve for x
x = 249,161,084,810,013,600/517,877,401.21 - Step 6: Final answer
x = 481,119,825.33
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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.