Finding the Fourth Proportional to 1,526,192,381.04, 2,106,602,214.30 and 891,284,136.18
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Solution
The fourth proportional to 1,526,192,381.04, 2,106,602,214.30 and 891,284,136.18 is: 1,230,238,833.70
Step by Step Solution
- Step 1: Write the proportion equation
1,526,192,381.04 : 2,106,602,214.30 = 891,284,136.18 : x - Step 2: Convert to fraction form
1,526,192,381.04/2,106,602,214.30 = 891,284,136.18/x - Step 3: Cross multiply
1,526,192,381.04x = 2,106,602,214.30 × 891,284,136.18 - Step 4: Simplify right side
1,526,192,381.04x = 1,877,581,134,847,250,688 - Step 5: Solve for x
x = 1,877,581,134,847,250,688/1,526,192,381.04 - Step 6: Final answer
x = 1,230,238,833.70
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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.