Finding the Fourth Proportional to 1,574,643,778.70, 2,361,965,668.05 and 962,423,746.70
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Solution
The fourth proportional to 1,574,643,778.70, 2,361,965,668.05 and 962,423,746.70 is: 1,443,635,620.05
Step by Step Solution
- Step 1: Write the proportion equation
1,574,643,778.70 : 2,361,965,668.05 = 962,423,746.70 : x - Step 2: Convert to fraction form
1,574,643,778.70/2,361,965,668.05 = 962,423,746.70/x - Step 3: Cross multiply
1,574,643,778.70x = 2,361,965,668.05 × 962,423,746.70 - Step 4: Simplify right side
1,574,643,778.70x = 2,273,211,847,821,449,728 - Step 5: Solve for x
x = 2,273,211,847,821,449,728/1,574,643,778.70 - Step 6: Final answer
x = 1,443,635,620.05
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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.