Finding the Fourth Proportional to 669,336,106.08, 923,397,303.72 and 418,004,164.08
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Solution
The fourth proportional to 669,336,106.08, 923,397,303.72 and 418,004,164.08 is: 576,666,811.41
Step by Step Solution
- Step 1: Write the proportion equation
669,336,106.08 : 923,397,303.72 = 418,004,164.08 : x - Step 2: Convert to fraction form
669,336,106.08/923,397,303.72 = 418,004,164.08/x - Step 3: Cross multiply
669,336,106.08x = 923,397,303.72 × 418,004,164.08 - Step 4: Simplify right side
669,336,106.08x = 385,983,918,055,204,480 - Step 5: Solve for x
x = 385,983,918,055,204,480/669,336,106.08 - Step 6: Final answer
x = 576,666,811.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.