Finding the Fourth Proportional to 698,109,048.24, 963,396,984.84 and 384,854,472.24
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Solution
The fourth proportional to 698,109,048.24, 963,396,984.84 and 384,854,472.24 is: 531,102,754.07
Step by Step Solution
- Step 1: Write the proportion equation
698,109,048.24 : 963,396,984.84 = 384,854,472.24 : x - Step 2: Convert to fraction form
698,109,048.24/963,396,984.84 = 384,854,472.24/x - Step 3: Cross multiply
698,109,048.24x = 963,396,984.84 × 384,854,472.24 - Step 4: Simplify right side
698,109,048.24x = 370,767,638,158,205,504 - Step 5: Solve for x
x = 370,767,638,158,205,504/698,109,048.24 - Step 6: Final answer
x = 531,102,754.07
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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.