Finding the Fourth Proportional to 1,696,656,372.05, 2,544,959,016.65 and 763,320,121.05
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Solution
The fourth proportional to 1,696,656,372.05, 2,544,959,016.65 and 763,320,121.05 is: 1,144,968,690.57
Step by Step Solution
- Step 1: Write the proportion equation
1,696,656,372.05 : 2,544,959,016.65 = 763,320,121.05 : x - Step 2: Convert to fraction form
1,696,656,372.05/2,544,959,016.65 = 763,320,121.05/x - Step 3: Cross multiply
1,696,656,372.05x = 2,544,959,016.65 × 763,320,121.05 - Step 4: Simplify right side
1,696,656,372.05x = 1,942,618,424,652,750,336 - Step 5: Solve for x
x = 1,942,618,424,652,750,336/1,696,656,372.05 - Step 6: Final answer
x = 1,144,968,690.57
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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.