Finding the Fourth Proportional to 5,737,197,828.58, 7,917,252,523.93 and 3,196,986,860.74
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Solution
The fourth proportional to 5,737,197,828.58, 7,917,252,523.93 and 3,196,986,860.74 is: 4,411,797,021.55
Step by Step Solution
- Step 1: Write the proportion equation
5,737,197,828.58 : 7,917,252,523.93 = 3,196,986,860.74 : x - Step 2: Convert to fraction form
5,737,197,828.58/7,917,252,523.93 = 3,196,986,860.74/x - Step 3: Cross multiply
5,737,197,828.58x = 7,917,252,523.93 × 3,196,986,860.74 - Step 4: Simplify right side
5,737,197,828.58x = 25,311,352,292,164,812,800 - Step 5: Solve for x
x = 25,311,352,292,164,812,800/5,737,197,828.58 - Step 6: Final answer
x = 4,411,797,021.55
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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.