Finding the Fourth Proportional to 1,217,214,860,682.10, 1,679,911,475,538.20 and 736,042,057,081.84
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Solution
The fourth proportional to 1,217,214,860,682.10, 1,679,911,475,538.20 and 736,042,057,081.84 is: 1,015,831,746,810.61
Step by Step Solution
- Step 1: Write the proportion equation
1,217,214,860,682.10 : 1,679,911,475,538.20 = 736,042,057,081.84 : x - Step 2: Convert to fraction form
1,217,214,860,682.10/1,679,911,475,538.20 = 736,042,057,081.84/x - Step 3: Cross multiply
1,217,214,860,682.10x = 1,679,911,475,538.20 × 736,042,057,081.84 - Step 4: Simplify right side
1,217,214,860,682.10x = 1,236,485,498,170,525,651,828,736 - Step 5: Solve for x
x = 1,236,485,498,170,525,651,828,736/1,217,214,860,682.10 - Step 6: Final answer
x = 1,015,831,746,810.61
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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.