Finding the Fourth Proportional to 3,154,709,069.85, 4,330,701,396.51 and 2,707,896,727.60
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Solution
The fourth proportional to 3,154,709,069.85, 4,330,701,396.51 and 2,707,896,727.60 is: 3,717,329,199.03
Step by Step Solution
- Step 1: Write the proportion equation
3,154,709,069.85 : 4,330,701,396.51 = 2,707,896,727.60 : x - Step 2: Convert to fraction form
3,154,709,069.85/4,330,701,396.51 = 2,707,896,727.60/x - Step 3: Cross multiply
3,154,709,069.85x = 4,330,701,396.51 × 2,707,896,727.60 - Step 4: Simplify right side
3,154,709,069.85x = 11,727,092,139,824,078,848 - Step 5: Solve for x
x = 11,727,092,139,824,078,848/3,154,709,069.85 - Step 6: Final answer
x = 3,717,329,199.03
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.