Finding the Fourth Proportional to 48,637,581,270,860, 67,121,172,889,568 and 28,615,963,423,612
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Solution
The fourth proportional to 48,637,581,270,860, 67,121,172,889,568 and 28,615,963,423,612 is: 39,490,800,697,126.30
Step by Step Solution
- Step 1: Write the proportion equation
48,637,581,270,860 : 67,121,172,889,568 = 28,615,963,423,612 : x - Step 2: Convert to fraction form
48,637,581,270,860/67,121,172,889,568 = 28,615,963,423,612/x - Step 3: Cross multiply
48,637,581,270,860x = 67,121,172,889,568 × 28,615,963,423,612 - Step 4: Simplify right side
48,637,581,270,860x = 1,920,737,028,357,815,152,540,647,424 - Step 5: Solve for x
x = 1,920,737,028,357,815,152,540,647,424/48,637,581,270,860 - Step 6: Final answer
x = 39,490,800,697,126.30
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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.