Finding the Fourth Proportional to 775,640,978.04, 1,163,375,522.98 and 277,631,602.75
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Solution
The fourth proportional to 775,640,978.04, 1,163,375,522.98 and 277,631,602.75 is: 416,416,641.45
Step by Step Solution
- Step 1: Write the proportion equation
775,640,978.04 : 1,163,375,522.98 = 277,631,602.75 : x - Step 2: Convert to fraction form
775,640,978.04/1,163,375,522.98 = 277,631,602.75/x - Step 3: Cross multiply
775,640,978.04x = 1,163,375,522.98 × 277,631,602.75 - Step 4: Simplify right side
775,640,978.04x = 322,989,811,045,817,024 - Step 5: Solve for x
x = 322,989,811,045,817,024/775,640,978.04 - Step 6: Final answer
x = 416,416,641.45
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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.