Finding the Fourth Proportional to 5,575,392,338.80, 8,363,088,508.20 and 3,906,525,881.20
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Solution
The fourth proportional to 5,575,392,338.80, 8,363,088,508.20 and 3,906,525,881.20 is: 5,859,788,821.80
Step by Step Solution
- Step 1: Write the proportion equation
5,575,392,338.80 : 8,363,088,508.20 = 3,906,525,881.20 : x - Step 2: Convert to fraction form
5,575,392,338.80/8,363,088,508.20 = 3,906,525,881.20/x - Step 3: Cross multiply
5,575,392,338.80x = 8,363,088,508.20 × 3,906,525,881.20 - Step 4: Simplify right side
5,575,392,338.80x = 32,670,621,704,049,594,368 - Step 5: Solve for x
x = 32,670,621,704,049,594,368/5,575,392,338.80 - Step 6: Final answer
x = 5,859,788,821.80
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Double scale
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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.