Finding the Fourth Proportional to 446,053,982.86, 615,518,407.94 and 257,894,348.95
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Solution
The fourth proportional to 446,053,982.86, 615,518,407.94 and 257,894,348.95 is: 355,873,336.37
Step by Step Solution
- Step 1: Write the proportion equation
446,053,982.86 : 615,518,407.94 = 257,894,348.95 : x - Step 2: Convert to fraction form
446,053,982.86/615,518,407.94 = 257,894,348.95/x - Step 3: Cross multiply
446,053,982.86x = 615,518,407.94 × 257,894,348.95 - Step 4: Simplify right side
446,053,982.86x = 158,738,719,082,426,816 - Step 5: Solve for x
x = 158,738,719,082,426,816/446,053,982.86 - Step 6: Final answer
x = 355,873,336.37
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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.