Finding the Fourth Proportional to 547,973,743.58, 821,960,599.49 and 252,781,525.55
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Solution
The fourth proportional to 547,973,743.58, 821,960,599.49 and 252,781,525.55 is: 379,172,280.99
Step by Step Solution
- Step 1: Write the proportion equation
547,973,743.58 : 821,960,599.49 = 252,781,525.55 : x - Step 2: Convert to fraction form
547,973,743.58/821,960,599.49 = 252,781,525.55/x - Step 3: Cross multiply
547,973,743.58x = 821,960,599.49 × 252,781,525.55 - Step 4: Simplify right side
547,973,743.58x = 207,776,454,275,701,024 - Step 5: Solve for x
x = 207,776,454,275,701,024/547,973,743.58 - Step 6: Final answer
x = 379,172,280.99
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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.