Finding the Fourth Proportional to 850,575,822.75, 1,173,795,106.28 and 459,435,246.75
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Solution
The fourth proportional to 850,575,822.75, 1,173,795,106.28 and 459,435,246.75 is: 634,020,894.86
Step by Step Solution
- Step 1: Write the proportion equation
850,575,822.75 : 1,173,795,106.28 = 459,435,246.75 : x - Step 2: Convert to fraction form
850,575,822.75/1,173,795,106.28 = 459,435,246.75/x - Step 3: Cross multiply
850,575,822.75x = 1,173,795,106.28 × 459,435,246.75 - Step 4: Simplify right side
850,575,822.75x = 539,282,844,285,397,120 - Step 5: Solve for x
x = 539,282,844,285,397,120/850,575,822.75 - Step 6: Final answer
x = 634,020,894.86
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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.