Finding the Fourth Proportional to 1,866,688,934,451.10, 2,576,823,911,847 and 1,163,102,419,990.20
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Solution
The fourth proportional to 1,866,688,934,451.10, 2,576,823,911,847 and 1,163,102,419,990.20 is: 1,605,575,558,114.70
Step by Step Solution
- Step 1: Write the proportion equation
1,866,688,934,451.10 : 2,576,823,911,847 = 1,163,102,419,990.20 : x - Step 2: Convert to fraction form
1,866,688,934,451.10/2,576,823,911,847 = 1,163,102,419,990.20/x - Step 3: Cross multiply
1,866,688,934,451.10x = 2,576,823,911,847 × 1,163,102,419,990.20 - Step 4: Simplify right side
1,866,688,934,451.10x = 2,997,110,127,757,859,552,755,712 - Step 5: Solve for x
x = 2,997,110,127,757,859,552,755,712/1,866,688,934,451.10 - Step 6: Final answer
x = 1,605,575,558,114.70
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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.