Finding the Fourth Proportional to 744,202,377.50, 1,115,075,260.76 and 432,434,852.24
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Solution
The fourth proportional to 744,202,377.50, 1,115,075,260.76 and 432,434,852.24 is: 647,938,544.95
Step by Step Solution
- Step 1: Write the proportion equation
744,202,377.50 : 1,115,075,260.76 = 432,434,852.24 : x - Step 2: Convert to fraction form
744,202,377.50/1,115,075,260.76 = 432,434,852.24/x - Step 3: Cross multiply
744,202,377.50x = 1,115,075,260.76 × 432,434,852.24 - Step 4: Simplify right side
744,202,377.50x = 482,197,405,623,230,080 - Step 5: Solve for x
x = 482,197,405,623,230,080/744,202,377.50 - Step 6: Final answer
x = 647,938,544.95
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1.5x scale
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.