Finding the Fourth Proportional to 453,261,639.80, 679,892,459.70 and 180,827,924.60
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Solution
The fourth proportional to 453,261,639.80, 679,892,459.70 and 180,827,924.60 is: 271,241,886.90
Step by Step Solution
- Step 1: Write the proportion equation
453,261,639.80 : 679,892,459.70 = 180,827,924.60 : x - Step 2: Convert to fraction form
453,261,639.80/679,892,459.70 = 180,827,924.60/x - Step 3: Cross multiply
453,261,639.80x = 679,892,459.70 × 180,827,924.60 - Step 4: Simplify right side
453,261,639.80x = 122,943,542,438,740,144 - Step 5: Solve for x
x = 122,943,542,438,740,144/453,261,639.80 - Step 6: Final answer
x = 271,241,886.90
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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.