Finding the Fourth Proportional to 10,158,396,958.68, 15,239,557,738.35 and 3,862,336,648.74
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Solution
The fourth proportional to 10,158,396,958.68, 15,239,557,738.35 and 3,862,336,648.74 is: 5,794,251,061.74
Step by Step Solution
- Step 1: Write the proportion equation
10,158,396,958.68 : 15,239,557,738.35 = 3,862,336,648.74 : x - Step 2: Convert to fraction form
10,158,396,958.68/15,239,557,738.35 = 3,862,336,648.74/x - Step 3: Cross multiply
10,158,396,958.68x = 15,239,557,738.35 × 3,862,336,648.74 - Step 4: Simplify right side
10,158,396,958.68x = 58,860,302,363,418,468,352 - Step 5: Solve for x
x = 58,860,302,363,418,468,352/10,158,396,958.68 - Step 6: Final answer
x = 5,794,251,061.74
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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.