Finding the Fourth Proportional to 742,572,729.75, 1,023,726,408.84 and 592,375,169.37
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Solution
The fourth proportional to 742,572,729.75, 1,023,726,408.84 and 592,375,169.37 is: 816,660,887.92
Step by Step Solution
- Step 1: Write the proportion equation
742,572,729.75 : 1,023,726,408.84 = 592,375,169.37 : x - Step 2: Convert to fraction form
742,572,729.75/1,023,726,408.84 = 592,375,169.37/x - Step 3: Cross multiply
742,572,729.75x = 1,023,726,408.84 × 592,375,169.37 - Step 4: Simplify right side
742,572,729.75x = 606,430,104,825,136,896 - Step 5: Solve for x
x = 606,430,104,825,136,896/742,572,729.75 - Step 6: Final answer
x = 816,660,887.92
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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.