Finding the Fourth Proportional to 473,414,834.97, 653,204,075.87 and 282,638,722.97
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Solution
The fourth proportional to 473,414,834.97, 653,204,075.87 and 282,638,722.97 is: 389,976,722.75
Step by Step Solution
- Step 1: Write the proportion equation
473,414,834.97 : 653,204,075.87 = 282,638,722.97 : x - Step 2: Convert to fraction form
473,414,834.97/653,204,075.87 = 282,638,722.97/x - Step 3: Cross multiply
473,414,834.97x = 653,204,075.87 × 282,638,722.97 - Step 4: Simplify right side
473,414,834.97x = 184,620,765,845,035,392 - Step 5: Solve for x
x = 184,620,765,845,035,392/473,414,834.97 - Step 6: Final answer
x = 389,976,722.75
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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.