Finding the Fourth Proportional to 1,335,528,071.20, 2,003,292,106.80 and 1,192,676,730.40
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Solution
The fourth proportional to 1,335,528,071.20, 2,003,292,106.80 and 1,192,676,730.40 is: 1,789,015,095.60
Step by Step Solution
- Step 1: Write the proportion equation
1,335,528,071.20 : 2,003,292,106.80 = 1,192,676,730.40 : x - Step 2: Convert to fraction form
1,335,528,071.20/2,003,292,106.80 = 1,192,676,730.40/x - Step 3: Cross multiply
1,335,528,071.20x = 2,003,292,106.80 × 1,192,676,730.40 - Step 4: Simplify right side
1,335,528,071.20x = 2,389,279,879,974,351,872 - Step 5: Solve for x
x = 2,389,279,879,974,351,872/1,335,528,071.20 - Step 6: Final answer
x = 1,789,015,095.60
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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.