Finding the Fourth Proportional to 805,545,660.12, 1,208,964,192.18 and 417,479,437.08
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Solution
The fourth proportional to 805,545,660.12, 1,208,964,192.18 and 417,479,437.08 is: 626,553,795.01
Step by Step Solution
- Step 1: Write the proportion equation
805,545,660.12 : 1,208,964,192.18 = 417,479,437.08 : x - Step 2: Convert to fraction form
805,545,660.12/1,208,964,192.18 = 417,479,437.08/x - Step 3: Cross multiply
805,545,660.12x = 1,208,964,192.18 × 417,479,437.08 - Step 4: Simplify right side
805,545,660.12x = 504,717,690,401,183,360 - Step 5: Solve for x
x = 504,717,690,401,183,360/805,545,660.12 - Step 6: Final answer
x = 626,553,795.01
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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.