Finding the Fourth Proportional to 698,207,828.92, 963,482,405.34 and 384,924,919.48
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Solution
The fourth proportional to 698,207,828.92, 963,482,405.34 and 384,924,919.48 is: 531,171,911.76
Step by Step Solution
- Step 1: Write the proportion equation
698,207,828.92 : 963,482,405.34 = 384,924,919.48 : x - Step 2: Convert to fraction form
698,207,828.92/963,482,405.34 = 384,924,919.48/x - Step 3: Cross multiply
698,207,828.92x = 963,482,405.34 × 384,924,919.48 - Step 4: Simplify right side
698,207,828.92x = 370,868,387,295,896,256 - Step 5: Solve for x
x = 370,868,387,295,896,256/698,207,828.92 - Step 6: Final answer
x = 531,171,911.76
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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.