Finding the Fourth Proportional to 5,079,198,439.04, 7,619,778,808.79 and 1,931,168,284.09
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Solution
The fourth proportional to 5,079,198,439.04, 7,619,778,808.79 and 1,931,168,284.09 is: 2,897,125,470.47
Step by Step Solution
- Step 1: Write the proportion equation
5,079,198,439.04 : 7,619,778,808.79 = 1,931,168,284.09 : x - Step 2: Convert to fraction form
5,079,198,439.04/7,619,778,808.79 = 1,931,168,284.09/x - Step 3: Cross multiply
5,079,198,439.04x = 7,619,778,808.79 × 1,931,168,284.09 - Step 4: Simplify right side
5,079,198,439.04x = 14,715,075,167,316,328,448 - Step 5: Solve for x
x = 14,715,075,167,316,328,448/5,079,198,439.04 - Step 6: Final answer
x = 2,897,125,470.47
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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.