Finding the Fourth Proportional to 302,692,806.70, 417,716,069.42 and 163,463,556.17
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Solution
The fourth proportional to 302,692,806.70, 417,716,069.42 and 163,463,556.17 is: 225,579,705.45
Step by Step Solution
- Step 1: Write the proportion equation
302,692,806.70 : 417,716,069.42 = 163,463,556.17 : x - Step 2: Convert to fraction form
302,692,806.70/417,716,069.42 = 163,463,556.17/x - Step 3: Cross multiply
302,692,806.70x = 417,716,069.42 × 163,463,556.17 - Step 4: Simplify right side
302,692,806.70x = 68,281,354,176,747,784 - Step 5: Solve for x
x = 68,281,354,176,747,784/302,692,806.70 - Step 6: Final answer
x = 225,579,705.45
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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.