Finding the Fourth Proportional to 1,468,195,653.40, 2,202,293,480.10 and 887,720,363.80
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Solution
The fourth proportional to 1,468,195,653.40, 2,202,293,480.10 and 887,720,363.80 is: 1,331,580,545.70
Step by Step Solution
- Step 1: Write the proportion equation
1,468,195,653.40 : 2,202,293,480.10 = 887,720,363.80 : x - Step 2: Convert to fraction form
1,468,195,653.40/2,202,293,480.10 = 887,720,363.80/x - Step 3: Cross multiply
1,468,195,653.40x = 2,202,293,480.10 × 887,720,363.80 - Step 4: Simplify right side
1,468,195,653.40x = 1,955,020,769,348,739,840 - Step 5: Solve for x
x = 1,955,020,769,348,739,840/1,468,195,653.40 - Step 6: Final answer
x = 1,331,580,545.70
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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.