Finding the Fourth Proportional to 2,165,387,223.19, 3,248,780,343.23 and 1,001,619,121.09
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Solution
The fourth proportional to 2,165,387,223.19, 3,248,780,343.23 and 1,001,619,121.09 is: 1,502,752,245.49
Step by Step Solution
- Step 1: Write the proportion equation
2,165,387,223.19 : 3,248,780,343.23 = 1,001,619,121.09 : x - Step 2: Convert to fraction form
2,165,387,223.19/3,248,780,343.23 = 1,001,619,121.09/x - Step 3: Cross multiply
2,165,387,223.19x = 3,248,780,343.23 × 1,001,619,121.09 - Step 4: Simplify right side
2,165,387,223.19x = 3,254,040,512,000,501,248 - Step 5: Solve for x
x = 3,254,040,512,000,501,248/2,165,387,223.19 - Step 6: Final answer
x = 1,502,752,245.49
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1.5x scale
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.