Finding the Fourth Proportional to 542,592,610.70, 760,650,021.70 and 542,592,610.70
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Solution
The fourth proportional to 542,592,610.70, 760,650,021.70 and 542,592,610.70 is: 760,650,021.70
Step by Step Solution
- Step 1: Write the proportion equation
542,592,610.70 : 760,650,021.70 = 542,592,610.70 : x - Step 2: Convert to fraction form
542,592,610.70/760,650,021.70 = 542,592,610.70/x - Step 3: Cross multiply
542,592,610.70x = 760,650,021.70 × 542,592,610.70 - Step 4: Simplify right side
542,592,610.70x = 412,723,081,103,214,720 - Step 5: Solve for x
x = 412,723,081,103,214,720/542,592,610.70 - Step 6: Final answer
x = 760,650,021.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.