Finding the Fourth Proportional to 5,382,357,712.80, 8,073,536,569.20 and 4,801,882,423.20
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Solution
The fourth proportional to 5,382,357,712.80, 8,073,536,569.20 and 4,801,882,423.20 is: 7,202,823,634.80
Step by Step Solution
- Step 1: Write the proportion equation
5,382,357,712.80 : 8,073,536,569.20 = 4,801,882,423.20 : x - Step 2: Convert to fraction form
5,382,357,712.80/8,073,536,569.20 = 4,801,882,423.20/x - Step 3: Cross multiply
5,382,357,712.80x = 8,073,536,569.20 × 4,801,882,423.20 - Step 4: Simplify right side
5,382,357,712.80x = 38,768,173,344,703,905,792 - Step 5: Solve for x
x = 38,768,173,344,703,905,792/5,382,357,712.80 - Step 6: Final answer
x = 7,202,823,634.80
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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.