Finding the Fourth Proportional to 3,045,248,638.38, 4,566,986,795.80 and 1,179,478,198.21
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Solution
The fourth proportional to 3,045,248,638.38, 4,566,986,795.80 and 1,179,478,198.21 is: 1,768,874,071.32
Step by Step Solution
- Step 1: Write the proportion equation
3,045,248,638.38 : 4,566,986,795.80 = 1,179,478,198.21 : x - Step 2: Convert to fraction form
3,045,248,638.38/4,566,986,795.80 = 1,179,478,198.21/x - Step 3: Cross multiply
3,045,248,638.38x = 4,566,986,795.80 × 1,179,478,198.21 - Step 4: Simplify right side
3,045,248,638.38x = 5,386,661,357,159,045,120 - Step 5: Solve for x
x = 5,386,661,357,159,045,120/3,045,248,638.38 - Step 6: Final answer
x = 1,768,874,071.32
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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.