Finding the Fourth Proportional to 5,690,448,401.97, 7,852,911,764.97 and 3,115,429,178.79
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Solution
The fourth proportional to 5,690,448,401.97, 7,852,911,764.97 and 3,115,429,178.79 is: 4,299,343,166.45
Step by Step Solution
- Step 1: Write the proportion equation
5,690,448,401.97 : 7,852,911,764.97 = 3,115,429,178.79 : x - Step 2: Convert to fraction form
5,690,448,401.97/7,852,911,764.97 = 3,115,429,178.79/x - Step 3: Cross multiply
5,690,448,401.97x = 7,852,911,764.97 × 3,115,429,178.79 - Step 4: Simplify right side
5,690,448,401.97x = 24,465,190,451,050,815,488 - Step 5: Solve for x
x = 24,465,190,451,050,815,488/5,690,448,401.97 - Step 6: Final answer
x = 4,299,343,166.45
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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.