Finding the Fourth Proportional to 168,385,712,329.68, 252,578,571,412.57 and 40,899,545,056.13
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Solution
The fourth proportional to 168,385,712,329.68, 252,578,571,412.57 and 40,899,545,056.13 is: 61,349,318,292.96
Step by Step Solution
- Step 1: Write the proportion equation
168,385,712,329.68 : 252,578,571,412.57 = 40,899,545,056.13 : x - Step 2: Convert to fraction form
168,385,712,329.68/252,578,571,412.57 = 40,899,545,056.13/x - Step 3: Cross multiply
168,385,712,329.68x = 252,578,571,412.57 × 40,899,545,056.13 - Step 4: Simplify right side
168,385,712,329.68x = 10,330,348,661,700,093,280,256 - Step 5: Solve for x
x = 10,330,348,661,700,093,280,256/168,385,712,329.68 - Step 6: Final answer
x = 61,349,318,292.96
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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.