Finding the Fourth Proportional to 719,073,777,296.60, 992,313,907,318.25 and 389,468,616,081.05
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Solution
The fourth proportional to 719,073,777,296.60, 992,313,907,318.25 and 389,468,616,081.05 is: 537,462,408,452.99
Step by Step Solution
- Step 1: Write the proportion equation
719,073,777,296.60 : 992,313,907,318.25 = 389,468,616,081.05 : x - Step 2: Convert to fraction form
719,073,777,296.60/992,313,907,318.25 = 389,468,616,081.05/x - Step 3: Cross multiply
719,073,777,296.60x = 992,313,907,318.25 × 389,468,616,081.05 - Step 4: Simplify right side
719,073,777,296.60x = 386,475,124,201,218,144,993,280 - Step 5: Solve for x
x = 386,475,124,201,218,144,993,280/719,073,777,296.60 - Step 6: Final answer
x = 537,462,408,452.99
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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.