Finding the Fourth Proportional to 361,154,346.68, 498,423,736.37 and 204,549,312.80
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Solution
The fourth proportional to 361,154,346.68, 498,423,736.37 and 204,549,312.80 is: 282,295,460.91
Step by Step Solution
- Step 1: Write the proportion equation
361,154,346.68 : 498,423,736.37 = 204,549,312.80 : x - Step 2: Convert to fraction form
361,154,346.68/498,423,736.37 = 204,549,312.80/x - Step 3: Cross multiply
361,154,346.68x = 498,423,736.37 × 204,549,312.80 - Step 4: Simplify right side
361,154,346.68x = 101,952,232,755,711,120 - Step 5: Solve for x
x = 101,952,232,755,711,120/361,154,346.68 - Step 6: Final answer
x = 282,295,460.91
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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.