Finding the Fourth Proportional to 413,442,405.84, 570,371,257.08 and 246,084,819.60
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Solution
The fourth proportional to 413,442,405.84, 570,371,257.08 and 246,084,819.60 is: 339,490,352.03
Step by Step Solution
- Step 1: Write the proportion equation
413,442,405.84 : 570,371,257.08 = 246,084,819.60 : x - Step 2: Convert to fraction form
413,442,405.84/570,371,257.08 = 246,084,819.60/x - Step 3: Cross multiply
413,442,405.84x = 570,371,257.08 × 246,084,819.60 - Step 4: Simplify right side
413,442,405.84x = 140,359,707,903,557,024 - Step 5: Solve for x
x = 140,359,707,903,557,024/413,442,405.84 - Step 6: Final answer
x = 339,490,352.03
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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.