Finding the Fourth Proportional to 2,668,971,965.21, 3,683,181,253.47 and 1,479,537,919.88
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Solution
The fourth proportional to 2,668,971,965.21, 3,683,181,253.47 and 1,479,537,919.88 is: 2,041,762,296.99
Step by Step Solution
- Step 1: Write the proportion equation
2,668,971,965.21 : 3,683,181,253.47 = 1,479,537,919.88 : x - Step 2: Convert to fraction form
2,668,971,965.21/3,683,181,253.47 = 1,479,537,919.88/x - Step 3: Cross multiply
2,668,971,965.21x = 3,683,181,253.47 × 1,479,537,919.88 - Step 4: Simplify right side
2,668,971,965.21x = 5,449,406,330,289,972,224 - Step 5: Solve for x
x = 5,449,406,330,289,972,224/2,668,971,965.21 - Step 6: Final answer
x = 2,041,762,296.99
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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.