Finding the Fourth Proportional to 814,564,828.44, 1,124,136,478.53 and 480,051,469.08
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Solution
The fourth proportional to 814,564,828.44, 1,124,136,478.53 and 480,051,469.08 is: 662,492,841.73
Step by Step Solution
- Step 1: Write the proportion equation
814,564,828.44 : 1,124,136,478.53 = 480,051,469.08 : x - Step 2: Convert to fraction form
814,564,828.44/1,124,136,478.53 = 480,051,469.08/x - Step 3: Cross multiply
814,564,828.44x = 1,124,136,478.53 × 480,051,469.08 - Step 4: Simplify right side
814,564,828.44x = 539,643,367,964,744,320 - Step 5: Solve for x
x = 539,643,367,964,744,320/814,564,828.44 - Step 6: Final answer
x = 662,492,841.73
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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.