Finding the Fourth Proportional to 62,720,669,315.50, 86,553,429,088.35 and 34,174,560,850.54
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Solution
The fourth proportional to 62,720,669,315.50, 86,553,429,088.35 and 34,174,560,850.54 is: 47,160,297,577.88
Step by Step Solution
- Step 1: Write the proportion equation
62,720,669,315.50 : 86,553,429,088.35 = 34,174,560,850.54 : x - Step 2: Convert to fraction form
62,720,669,315.50/86,553,429,088.35 = 34,174,560,850.54/x - Step 3: Cross multiply
62,720,669,315.50x = 86,553,429,088.35 × 34,174,560,850.54 - Step 4: Simplify right side
62,720,669,315.50x = 2,957,925,429,202,716,196,864 - Step 5: Solve for x
x = 2,957,925,429,202,716,196,864/62,720,669,315.50 - Step 6: Final answer
x = 47,160,297,577.88
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1.5x scale
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.