Finding the Fourth Proportional to 45,540,487,329.21, 68,221,767,682.94 and 31,372,950,513.69
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Solution
The fourth proportional to 45,540,487,329.21, 68,221,767,682.94 and 31,372,950,513.69 is: 46,998,138,733.14
Step by Step Solution
- Step 1: Write the proportion equation
45,540,487,329.21 : 68,221,767,682.94 = 31,372,950,513.69 : x - Step 2: Convert to fraction form
45,540,487,329.21/68,221,767,682.94 = 31,372,950,513.69/x - Step 3: Cross multiply
45,540,487,329.21x = 68,221,767,682.94 × 31,372,950,513.69 - Step 4: Simplify right side
45,540,487,329.21x = 2,140,318,141,473,175,371,776 - Step 5: Solve for x
x = 2,140,318,141,473,175,371,776/45,540,487,329.21 - Step 6: Final answer
x = 46,998,138,733.14
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1.5x scale
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.