Finding the Fourth Proportional to 2,201,981,570.70, 3,302,972,356.05 and 892,510,946.70
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Solution
The fourth proportional to 2,201,981,570.70, 3,302,972,356.05 and 892,510,946.70 is: 1,338,766,420.05
Step by Step Solution
- Step 1: Write the proportion equation
2,201,981,570.70 : 3,302,972,356.05 = 892,510,946.70 : x - Step 2: Convert to fraction form
2,201,981,570.70/3,302,972,356.05 = 892,510,946.70/x - Step 3: Cross multiply
2,201,981,570.70x = 3,302,972,356.05 × 892,510,946.70 - Step 4: Simplify right side
2,201,981,570.70x = 2,947,938,984,422,115,328 - Step 5: Solve for x
x = 2,947,938,984,422,115,328/2,201,981,570.70 - Step 6: Final answer
x = 1,338,766,420.05
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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.