Finding the Fourth Proportional to 413,442,407.84, 570,371,259.84 and 246,084,821.60
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Solution
The fourth proportional to 413,442,407.84, 570,371,259.84 and 246,084,821.60 is: 339,490,354.79
Step by Step Solution
- Step 1: Write the proportion equation
413,442,407.84 : 570,371,259.84 = 246,084,821.60 : x - Step 2: Convert to fraction form
413,442,407.84/570,371,259.84 = 246,084,821.60/x - Step 3: Cross multiply
413,442,407.84x = 570,371,259.84 × 246,084,821.60 - Step 4: Simplify right side
413,442,407.84x = 140,359,709,723,493,648 - Step 5: Solve for x
x = 140,359,709,723,493,648/413,442,407.84 - Step 6: Final answer
x = 339,490,354.79
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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.