Finding the Fourth Proportional to 276,521,315.19, 414,492,239.91 and 128,847,125.44
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Solution
The fourth proportional to 276,521,315.19, 414,492,239.91 and 128,847,125.44 is: 193,135,685.01
Step by Step Solution
- Step 1: Write the proportion equation
276,521,315.19 : 414,492,239.91 = 128,847,125.44 : x - Step 2: Convert to fraction form
276,521,315.19/414,492,239.91 = 128,847,125.44/x - Step 3: Cross multiply
276,521,315.19x = 414,492,239.91 × 128,847,125.44 - Step 4: Simplify right side
276,521,315.19x = 53,406,133,629,590,344 - Step 5: Solve for x
x = 53,406,133,629,590,344/276,521,315.19 - Step 6: Final answer
x = 193,135,685.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.