Finding the Fourth Proportional to 777,221,650.80, 1,166,154,713.61 and 340,296,816.24
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Solution
The fourth proportional to 777,221,650.80, 1,166,154,713.61 and 340,296,816.24 is: 510,586,312.00
Step by Step Solution
- Step 1: Write the proportion equation
777,221,650.80 : 1,166,154,713.61 = 340,296,816.24 : x - Step 2: Convert to fraction form
777,221,650.80/1,166,154,713.61 = 340,296,816.24/x - Step 3: Cross multiply
777,221,650.80x = 1,166,154,713.61 × 340,296,816.24 - Step 4: Simplify right side
777,221,650.80x = 396,838,736,284,752,000 - Step 5: Solve for x
x = 396,838,736,284,752,000/777,221,650.80 - Step 6: Final answer
x = 510,586,312.00
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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.