Finding the Fourth Proportional to 352,503,219.35, 486,465,392.51 and 193,730,461.31
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Solution
The fourth proportional to 352,503,219.35, 486,465,392.51 and 193,730,461.31 is: 267,354,054.46
Step by Step Solution
- Step 1: Write the proportion equation
352,503,219.35 : 486,465,392.51 = 193,730,461.31 : x - Step 2: Convert to fraction form
352,503,219.35/486,465,392.51 = 193,730,461.31/x - Step 3: Cross multiply
352,503,219.35x = 486,465,392.51 × 193,730,461.31 - Step 4: Simplify right side
352,503,219.35x = 94,243,164,900,364,512 - Step 5: Solve for x
x = 94,243,164,900,364,512/352,503,219.35 - Step 6: Final answer
x = 267,354,054.46
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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.