Finding the Fourth Proportional to 1,535,365,064,432.10, 2,118,870,391,946.70 and 850,252,790,389.84
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Solution
The fourth proportional to 1,535,365,064,432.10, 2,118,870,391,946.70 and 850,252,790,389.84 is: 1,173,385,734,091.50
Step by Step Solution
- Step 1: Write the proportion equation
1,535,365,064,432.10 : 2,118,870,391,946.70 = 850,252,790,389.84 : x - Step 2: Convert to fraction form
1,535,365,064,432.10/2,118,870,391,946.70 = 850,252,790,389.84/x - Step 3: Cross multiply
1,535,365,064,432.10x = 2,118,870,391,946.70 × 850,252,790,389.84 - Step 4: Simplify right side
1,535,365,064,432.10x = 1,801,575,463,227,095,586,439,168 - Step 5: Solve for x
x = 1,801,575,463,227,095,586,439,168/1,535,365,064,432.10 - Step 6: Final answer
x = 1,173,385,734,091.50
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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.