Finding the Fourth Proportional to 809,403,268.26, 1,214,220,718.15 and 249,212,495.73
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Solution
The fourth proportional to 809,403,268.26, 1,214,220,718.15 and 249,212,495.73 is: 373,854,402.87
Step by Step Solution
- Step 1: Write the proportion equation
809,403,268.26 : 1,214,220,718.15 = 249,212,495.73 : x - Step 2: Convert to fraction form
809,403,268.26/1,214,220,718.15 = 249,212,495.73/x - Step 3: Cross multiply
809,403,268.26x = 1,214,220,718.15 × 249,212,495.73 - Step 4: Simplify right side
809,403,268.26x = 302,598,975,537,234,432 - Step 5: Solve for x
x = 302,598,975,537,234,432/809,403,268.26 - Step 6: Final answer
x = 373,854,402.87
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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.