Finding the Fourth Proportional to 537,875,965.29, 742,611,550.62 and 438,992,583.70
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Solution
The fourth proportional to 537,875,965.29, 742,611,550.62 and 438,992,583.70 is: 606,089,478.48
Step by Step Solution
- Step 1: Write the proportion equation
537,875,965.29 : 742,611,550.62 = 438,992,583.70 : x - Step 2: Convert to fraction form
537,875,965.29/742,611,550.62 = 438,992,583.70/x - Step 3: Cross multiply
537,875,965.29x = 742,611,550.62 × 438,992,583.70 - Step 4: Simplify right side
537,875,965.29x = 326,000,963,286,229,120 - Step 5: Solve for x
x = 326,000,963,286,229,120/537,875,965.29 - Step 6: Final answer
x = 606,089,478.48
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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.