Finding the Fourth Proportional to 1,522,219,266.70, 2,283,376,139.25 and 724,361,578.99
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Solution
The fourth proportional to 1,522,219,266.70, 2,283,376,139.25 and 724,361,578.99 is: 1,086,564,847.67
Step by Step Solution
- Step 1: Write the proportion equation
1,522,219,266.70 : 2,283,376,139.25 = 724,361,578.99 : x - Step 2: Convert to fraction form
1,522,219,266.70/2,283,376,139.25 = 724,361,578.99/x - Step 3: Cross multiply
1,522,219,266.70x = 2,283,376,139.25 × 724,361,578.99 - Step 4: Simplify right side
1,522,219,266.70x = 1,653,989,945,646,831,616 - Step 5: Solve for x
x = 1,653,989,945,646,831,616/1,522,219,266.70 - Step 6: Final answer
x = 1,086,564,847.67
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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.