Finding the Fourth Proportional to 2,191,239,239.19, 3,024,190,197.15 and 1,225,676,801.30
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Solution
The fourth proportional to 2,191,239,239.19, 3,024,190,197.15 and 1,225,676,801.30 is: 1,691,590,631.03
Step by Step Solution
- Step 1: Write the proportion equation
2,191,239,239.19 : 3,024,190,197.15 = 1,225,676,801.30 : x - Step 2: Convert to fraction form
2,191,239,239.19/3,024,190,197.15 = 1,225,676,801.30/x - Step 3: Cross multiply
2,191,239,239.19x = 3,024,190,197.15 × 1,225,676,801.30 - Step 4: Simplify right side
2,191,239,239.19x = 3,706,679,767,345,972,224 - Step 5: Solve for x
x = 3,706,679,767,345,972,224/2,191,239,239.19 - Step 6: Final answer
x = 1,691,590,631.03
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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.