Finding the Fourth Proportional to 3,571,743,148.26, 4,929,281,641.47 and 2,142,868,028.22
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Solution
The fourth proportional to 3,571,743,148.26, 4,929,281,641.47 and 2,142,868,028.22 is: 2,957,323,523.32
Step by Step Solution
- Step 1: Write the proportion equation
3,571,743,148.26 : 4,929,281,641.47 = 2,142,868,028.22 : x - Step 2: Convert to fraction form
3,571,743,148.26/4,929,281,641.47 = 2,142,868,028.22/x - Step 3: Cross multiply
3,571,743,148.26x = 4,929,281,641.47 × 2,142,868,028.22 - Step 4: Simplify right side
3,571,743,148.26x = 10,562,800,031,597,864,960 - Step 5: Solve for x
x = 10,562,800,031,597,864,960/3,571,743,148.26 - Step 6: Final answer
x = 2,957,323,523.32
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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.