Finding the Fourth Proportional to 1,975,687,986.66, 2,963,706,175.66 and 557,597,749.08
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Solution
The fourth proportional to 1,975,687,986.66, 2,963,706,175.66 and 557,597,749.08 is: 836,445,786.80
Step by Step Solution
- Step 1: Write the proportion equation
1,975,687,986.66 : 2,963,706,175.66 = 557,597,749.08 : x - Step 2: Convert to fraction form
1,975,687,986.66/2,963,706,175.66 = 557,597,749.08/x - Step 3: Cross multiply
1,975,687,986.66x = 2,963,706,175.66 × 557,597,749.08 - Step 4: Simplify right side
1,975,687,986.66x = 1,652,555,892,482,511,104 - Step 5: Solve for x
x = 1,652,555,892,482,511,104/1,975,687,986.66 - Step 6: Final answer
x = 836,445,786.80
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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.