Finding the Fourth Proportional to 521,609,201.70, 782,413,802.55 and 467,189,643.30
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Solution
The fourth proportional to 521,609,201.70, 782,413,802.55 and 467,189,643.30 is: 700,784,464.95
Step by Step Solution
- Step 1: Write the proportion equation
521,609,201.70 : 782,413,802.55 = 467,189,643.30 : x - Step 2: Convert to fraction form
521,609,201.70/782,413,802.55 = 467,189,643.30/x - Step 3: Cross multiply
521,609,201.70x = 782,413,802.55 × 467,189,643.30 - Step 4: Simplify right side
521,609,201.70x = 365,535,625,326,331,136 - Step 5: Solve for x
x = 365,535,625,326,331,136/521,609,201.70 - Step 6: Final answer
x = 700,784,464.95
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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.