Finding the Fourth Proportional to 616,321,770.60, 924,482,655.90 and 207,241,962.60
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Solution
The fourth proportional to 616,321,770.60, 924,482,655.90 and 207,241,962.60 is: 310,862,943.90
Step by Step Solution
- Step 1: Write the proportion equation
616,321,770.60 : 924,482,655.90 = 207,241,962.60 : x - Step 2: Convert to fraction form
616,321,770.60/924,482,655.90 = 207,241,962.60/x - Step 3: Cross multiply
616,321,770.60x = 924,482,655.90 × 207,241,962.60 - Step 4: Simplify right side
616,321,770.60x = 191,591,599,998,376,448 - Step 5: Solve for x
x = 191,591,599,998,376,448/616,321,770.60 - Step 6: Final answer
x = 310,862,943.90
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Similar ratio
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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.