Finding the Fourth Proportional to 1,762,464,717.84, 2,432,246,693.04 and 969,531,067.92
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Solution
The fourth proportional to 1,762,464,717.84, 2,432,246,693.04 and 969,531,067.92 is: 1,337,977,838.58
Step by Step Solution
- Step 1: Write the proportion equation
1,762,464,717.84 : 2,432,246,693.04 = 969,531,067.92 : x - Step 2: Convert to fraction form
1,762,464,717.84/2,432,246,693.04 = 969,531,067.92/x - Step 3: Cross multiply
1,762,464,717.84x = 2,432,246,693.04 × 969,531,067.92 - Step 4: Simplify right side
1,762,464,717.84x = 2,358,138,733,747,959,296 - Step 5: Solve for x
x = 2,358,138,733,747,959,296/1,762,464,717.84 - Step 6: Final answer
x = 1,337,977,838.58
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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.