Finding the Fourth Proportional to 539,850,556.17, 744,993,585.96 and 292,331,910.42
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Solution
The fourth proportional to 539,850,556.17, 744,993,585.96 and 292,331,910.42 is: 403,417,938.07
Step by Step Solution
- Step 1: Write the proportion equation
539,850,556.17 : 744,993,585.96 = 292,331,910.42 : x - Step 2: Convert to fraction form
539,850,556.17/744,993,585.96 = 292,331,910.42/x - Step 3: Cross multiply
539,850,556.17x = 744,993,585.96 × 292,331,910.42 - Step 4: Simplify right side
539,850,556.17x = 217,785,398,234,333,312 - Step 5: Solve for x
x = 217,785,398,234,333,312/539,850,556.17 - Step 6: Final answer
x = 403,417,938.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.