Finding the Fourth Proportional to 2,819,834,103.84, 3,891,137,170.68 and 1,549,608,297.36
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Solution
The fourth proportional to 2,819,834,103.84, 3,891,137,170.68 and 1,549,608,297.36 is: 2,138,330,917.28
Step by Step Solution
- Step 1: Write the proportion equation
2,819,834,103.84 : 3,891,137,170.68 = 1,549,608,297.36 : x - Step 2: Convert to fraction form
2,819,834,103.84/3,891,137,170.68 = 1,549,608,297.36/x - Step 3: Cross multiply
2,819,834,103.84x = 3,891,137,170.68 × 1,549,608,297.36 - Step 4: Simplify right side
2,819,834,103.84x = 6,029,738,445,851,641,856 - Step 5: Solve for x
x = 6,029,738,445,851,641,856/2,819,834,103.84 - Step 6: Final answer
x = 2,138,330,917.28
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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.