Finding the Fourth Proportional to 1,679,877,884,910.70, 2,318,206,809,723.60 and 938,295,543,214.40
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Solution
The fourth proportional to 1,679,877,884,910.70, 2,318,206,809,723.60 and 938,295,543,214.40 is: 1,294,834,069,399.37
Step by Step Solution
- Step 1: Write the proportion equation
1,679,877,884,910.70 : 2,318,206,809,723.60 = 938,295,543,214.40 : x - Step 2: Convert to fraction form
1,679,877,884,910.70/2,318,206,809,723.60 = 938,295,543,214.40/x - Step 3: Cross multiply
1,679,877,884,910.70x = 2,318,206,809,723.60 × 938,295,543,214.40 - Step 4: Simplify right side
1,679,877,884,910.70x = 2,175,163,117,812,926,633,738,240 - Step 5: Solve for x
x = 2,175,163,117,812,926,633,738,240/1,679,877,884,910.70 - Step 6: Final answer
x = 1,294,834,069,399.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.