Finding the Fourth Proportional to 1,545,814,677.60, 2,133,175,651.20 and 840,948,601.68
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Solution
The fourth proportional to 1,545,814,677.60, 2,133,175,651.20 and 840,948,601.68 is: 1,160,482,629.00
Step by Step Solution
- Step 1: Write the proportion equation
1,545,814,677.60 : 2,133,175,651.20 = 840,948,601.68 : x - Step 2: Convert to fraction form
1,545,814,677.60/2,133,175,651.20 = 840,948,601.68/x - Step 3: Cross multiply
1,545,814,677.60x = 2,133,175,651.20 × 840,948,601.68 - Step 4: Simplify right side
1,545,814,677.60x = 1,793,891,081,014,463,232 - Step 5: Solve for x
x = 1,793,891,081,014,463,232/1,545,814,677.60 - Step 6: Final answer
x = 1,160,482,629.00
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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.