Finding the Fourth Proportional to 453,220,398.08, 679,830,559.64 and 125,695,906.96
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Solution
The fourth proportional to 453,220,398.08, 679,830,559.64 and 125,695,906.96 is: 188,543,850.05
Step by Step Solution
- Step 1: Write the proportion equation
453,220,398.08 : 679,830,559.64 = 125,695,906.96 : x - Step 2: Convert to fraction form
453,220,398.08/679,830,559.64 = 125,695,906.96/x - Step 3: Cross multiply
453,220,398.08x = 679,830,559.64 × 125,695,906.96 - Step 4: Simplify right side
453,220,398.08x = 85,451,918,773,074,160 - Step 5: Solve for x
x = 85,451,918,773,074,160/453,220,398.08 - Step 6: Final answer
x = 188,543,850.05
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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.