Finding the Fourth Proportional to 292,891,292.84, 436,749,211.43 and 290,262,431.32
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Solution
The fourth proportional to 292,891,292.84, 436,749,211.43 and 290,262,431.32 is: 432,829,145.44
Step by Step Solution
- Step 1: Write the proportion equation
292,891,292.84 : 436,749,211.43 = 290,262,431.32 : x - Step 2: Convert to fraction form
292,891,292.84/436,749,211.43 = 290,262,431.32/x - Step 3: Cross multiply
292,891,292.84x = 436,749,211.43 × 290,262,431.32 - Step 4: Simplify right side
292,891,292.84x = 126,771,887,986,764,528 - Step 5: Solve for x
x = 126,771,887,986,764,528/292,891,292.84 - Step 6: Final answer
x = 432,829,145.44
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.