Finding the Fourth Proportional to 528,883,409.70, 793,325,114.55 and 313,892,561.70
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Solution
The fourth proportional to 528,883,409.70, 793,325,114.55 and 313,892,561.70 is: 470,838,842.55
Step by Step Solution
- Step 1: Write the proportion equation
528,883,409.70 : 793,325,114.55 = 313,892,561.70 : x - Step 2: Convert to fraction form
528,883,409.70/793,325,114.55 = 313,892,561.70/x - Step 3: Cross multiply
528,883,409.70x = 793,325,114.55 × 313,892,561.70 - Step 4: Simplify right side
528,883,409.70x = 249,018,852,467,045,408 - Step 5: Solve for x
x = 249,018,852,467,045,408/528,883,409.70 - Step 6: Final answer
x = 470,838,842.55
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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.