Finding the Fourth Proportional to 1,081,197,169.42, 1,492,110,026.82 and 604,859,122.62
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Solution
The fourth proportional to 1,081,197,169.42, 1,492,110,026.82 and 604,859,122.62 is: 834,737,998.95
Step by Step Solution
- Step 1: Write the proportion equation
1,081,197,169.42 : 1,492,110,026.82 = 604,859,122.62 : x - Step 2: Convert to fraction form
1,081,197,169.42/1,492,110,026.82 = 604,859,122.62/x - Step 3: Cross multiply
1,081,197,169.42x = 1,492,110,026.82 × 604,859,122.62 - Step 4: Simplify right side
1,081,197,169.42x = 902,516,361,674,849,792 - Step 5: Solve for x
x = 902,516,361,674,849,792/1,081,197,169.42 - Step 6: Final answer
x = 834,737,998.95
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1.5x scale
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.