Finding the Fourth Proportional to 574,970,172.71, 794,113,344.70 and 386,471,208.00
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Solution
The fourth proportional to 574,970,172.71, 794,113,344.70 and 386,471,208.00 is: 533,770,199.18
Step by Step Solution
- Step 1: Write the proportion equation
574,970,172.71 : 794,113,344.70 = 386,471,208.00 : x - Step 2: Convert to fraction form
574,970,172.71/794,113,344.70 = 386,471,208.00/x - Step 3: Cross multiply
574,970,172.71x = 794,113,344.70 × 386,471,208.00 - Step 4: Simplify right side
574,970,172.71x = 306,901,943,609,226,496 - Step 5: Solve for x
x = 306,901,943,609,226,496/574,970,172.71 - Step 6: Final answer
x = 533,770,199.18
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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.