Finding the Fourth Proportional to 2,987,239,513.30, 4,480,859,269.95 and 1,609,744,441.30
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Solution
The fourth proportional to 2,987,239,513.30, 4,480,859,269.95 and 1,609,744,441.30 is: 2,414,616,661.95
Step by Step Solution
- Step 1: Write the proportion equation
2,987,239,513.30 : 4,480,859,269.95 = 1,609,744,441.30 : x - Step 2: Convert to fraction form
2,987,239,513.30/4,480,859,269.95 = 1,609,744,441.30/x - Step 3: Cross multiply
2,987,239,513.30x = 4,480,859,269.95 × 1,609,744,441.30 - Step 4: Simplify right side
2,987,239,513.30x = 7,213,038,302,049,588,224 - Step 5: Solve for x
x = 7,213,038,302,049,588,224/2,987,239,513.30 - Step 6: Final answer
x = 2,414,616,661.95
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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.