Finding the Fourth Proportional to 910,713,604.28, 1,366,632,626.76 and 357,918,862.12
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Solution
The fourth proportional to 910,713,604.28, 1,366,632,626.76 and 357,918,862.12 is: 537,099,250.97
Step by Step Solution
- Step 1: Write the proportion equation
910,713,604.28 : 1,366,632,626.76 = 357,918,862.12 : x - Step 2: Convert to fraction form
910,713,604.28/1,366,632,626.76 = 357,918,862.12/x - Step 3: Cross multiply
910,713,604.28x = 1,366,632,626.76 × 357,918,862.12 - Step 4: Simplify right side
910,713,604.28x = 489,143,594,706,005,888 - Step 5: Solve for x
x = 489,143,594,706,005,888/910,713,604.28 - Step 6: Final answer
x = 537,099,250.97
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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.