Finding the Fourth Proportional to 440,299,072,482, 607,603,196,482.28 and 254,908,599,505.02
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Solution
The fourth proportional to 440,299,072,482, 607,603,196,482.28 and 254,908,599,505.02 is: 351,768,353,716.90
Step by Step Solution
- Step 1: Write the proportion equation
440,299,072,482 : 607,603,196,482.28 = 254,908,599,505.02 : x - Step 2: Convert to fraction form
440,299,072,482/607,603,196,482.28 = 254,908,599,505.02/x - Step 3: Cross multiply
440,299,072,482x = 607,603,196,482.28 × 254,908,599,505.02 - Step 4: Simplify right side
440,299,072,482x = 154,883,279,870,071,479,992,320 - Step 5: Solve for x
x = 154,883,279,870,071,479,992,320/440,299,072,482 - Step 6: Final answer
x = 351,768,353,716.90
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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.