Finding the Fourth Proportional to 1,679,382,479.70, 2,519,073,719.55 and 746,703,524.70
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Solution
The fourth proportional to 1,679,382,479.70, 2,519,073,719.55 and 746,703,524.70 is: 1,120,055,287.05
Step by Step Solution
- Step 1: Write the proportion equation
1,679,382,479.70 : 2,519,073,719.55 = 746,703,524.70 : x - Step 2: Convert to fraction form
1,679,382,479.70/2,519,073,719.55 = 746,703,524.70/x - Step 3: Cross multiply
1,679,382,479.70x = 2,519,073,719.55 × 746,703,524.70 - Step 4: Simplify right side
1,679,382,479.70x = 1,881,001,225,367,124,480 - Step 5: Solve for x
x = 1,881,001,225,367,124,480/1,679,382,479.70 - Step 6: Final answer
x = 1,120,055,287.05
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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.