Finding the Fourth Proportional to 986,816,521.97, 1,479,178,030.07 and 461,743,234.91
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Solution
The fourth proportional to 986,816,521.97, 1,479,178,030.07 and 461,743,234.91 is: 692,125,064.19
Step by Step Solution
- Step 1: Write the proportion equation
986,816,521.97 : 1,479,178,030.07 = 461,743,234.91 : x - Step 2: Convert to fraction form
986,816,521.97/1,479,178,030.07 = 461,743,234.91/x - Step 3: Cross multiply
986,816,521.97x = 1,479,178,030.07 × 461,743,234.91 - Step 4: Simplify right side
986,816,521.97x = 683,000,448,606,081,536 - Step 5: Solve for x
x = 683,000,448,606,081,536/986,816,521.97 - Step 6: Final answer
x = 692,125,064.19
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1.5x scale
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.