Finding the Fourth Proportional to 1,119,744,470.08, 1,545,245,087.52 and 624,677,654.08
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Solution
The fourth proportional to 1,119,744,470.08, 1,545,245,087.52 and 624,677,654.08 is: 862,053,890.01
Step by Step Solution
- Step 1: Write the proportion equation
1,119,744,470.08 : 1,545,245,087.52 = 624,677,654.08 : x - Step 2: Convert to fraction form
1,119,744,470.08/1,545,245,087.52 = 624,677,654.08/x - Step 3: Cross multiply
1,119,744,470.08x = 1,545,245,087.52 × 624,677,654.08 - Step 4: Simplify right side
1,119,744,470.08x = 965,280,076,250,637,952 - Step 5: Solve for x
x = 965,280,076,250,637,952/1,119,744,470.08 - Step 6: Final answer
x = 862,053,890.01
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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.