Finding the Fourth Proportional to 1,771,574,407.70, 2,657,361,611.55 and 736,091,143.70
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Solution
The fourth proportional to 1,771,574,407.70, 2,657,361,611.55 and 736,091,143.70 is: 1,104,136,715.55
Step by Step Solution
- Step 1: Write the proportion equation
1,771,574,407.70 : 2,657,361,611.55 = 736,091,143.70 : x - Step 2: Convert to fraction form
1,771,574,407.70/2,657,361,611.55 = 736,091,143.70/x - Step 3: Cross multiply
1,771,574,407.70x = 2,657,361,611.55 × 736,091,143.70 - Step 4: Simplify right side
1,771,574,407.70x = 1,956,060,347,870,315,008 - Step 5: Solve for x
x = 1,956,060,347,870,315,008/1,771,574,407.70 - Step 6: Final answer
x = 1,104,136,715.55
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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.