Finding the Fourth Proportional to 426,354,313.10, 638,681,164.05 and 244,388,914.70
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Solution
The fourth proportional to 426,354,313.10, 638,681,164.05 and 244,388,914.70 is: 366,095,971.65
Step by Step Solution
- Step 1: Write the proportion equation
426,354,313.10 : 638,681,164.05 = 244,388,914.70 : x - Step 2: Convert to fraction form
426,354,313.10/638,681,164.05 = 244,388,914.70/x - Step 3: Cross multiply
426,354,313.10x = 638,681,164.05 × 244,388,914.70 - Step 4: Simplify right side
426,354,313.10x = 156,086,596,521,512,128 - Step 5: Solve for x
x = 156,086,596,521,512,128/426,354,313.10 - Step 6: Final answer
x = 366,095,971.65
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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.