Finding the Fourth Proportional to 1,865,283,641.66, 2,796,943,696.99 and 1,275,242,622.27
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Solution
The fourth proportional to 1,865,283,641.66, 2,796,943,696.99 and 1,275,242,622.27 is: 1,912,192,727.60
Step by Step Solution
- Step 1: Write the proportion equation
1,865,283,641.66 : 2,796,943,696.99 = 1,275,242,622.27 : x - Step 2: Convert to fraction form
1,865,283,641.66/2,796,943,696.99 = 1,275,242,622.27/x - Step 3: Cross multiply
1,865,283,641.66x = 2,796,943,696.99 × 1,275,242,622.27 - Step 4: Simplify right side
1,865,283,641.66x = 3,566,781,814,492,161,536 - Step 5: Solve for x
x = 3,566,781,814,492,161,536/1,865,283,641.66 - Step 6: Final answer
x = 1,912,192,727.60
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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.