Finding the Fourth Proportional to 5,176,059,742.71, 7,143,282,548.91 and 2,855,952,982.98
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Solution
The fourth proportional to 5,176,059,742.71, 7,143,282,548.91 and 2,855,952,982.98 is: 3,941,391,737.71
Step by Step Solution
- Step 1: Write the proportion equation
5,176,059,742.71 : 7,143,282,548.91 = 2,855,952,982.98 : x - Step 2: Convert to fraction form
5,176,059,742.71/7,143,282,548.91 = 2,855,952,982.98/x - Step 3: Cross multiply
5,176,059,742.71x = 7,143,282,548.91 × 2,855,952,982.98 - Step 4: Simplify right side
5,176,059,742.71x = 20,400,879,103,828,492,288 - Step 5: Solve for x
x = 20,400,879,103,828,492,288/5,176,059,742.71 - Step 6: Final answer
x = 3,941,391,737.71
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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.