Finding the Fourth Proportional to 743,276,852.84, 1,025,431,750.74 and 425,567,302.04
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Solution
The fourth proportional to 743,276,852.84, 1,025,431,750.74 and 425,567,302.04 is: 587,116,660.39
Step by Step Solution
- Step 1: Write the proportion equation
743,276,852.84 : 1,025,431,750.74 = 425,567,302.04 : x - Step 2: Convert to fraction form
743,276,852.84/1,025,431,750.74 = 425,567,302.04/x - Step 3: Cross multiply
743,276,852.84x = 1,025,431,750.74 × 425,567,302.04 - Step 4: Simplify right side
743,276,852.84x = 436,390,223,583,448,448 - Step 5: Solve for x
x = 436,390,223,583,448,448/743,276,852.84 - Step 6: Final answer
x = 587,116,660.39
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1.5x scale
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.