Finding the Fourth Proportional to 352,503,220.85, 486,465,394.59 and 193,730,462.81
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Solution
The fourth proportional to 352,503,220.85, 486,465,394.59 and 193,730,462.81 is: 267,354,056.53
Step by Step Solution
- Step 1: Write the proportion equation
352,503,220.85 : 486,465,394.59 = 193,730,462.81 : x - Step 2: Convert to fraction form
352,503,220.85/486,465,394.59 = 193,730,462.81/x - Step 3: Cross multiply
352,503,220.85x = 486,465,394.59 × 193,730,462.81 - Step 4: Simplify right side
352,503,220.85x = 94,243,166,032,537,648 - Step 5: Solve for x
x = 94,243,166,032,537,648/352,503,220.85 - Step 6: Final answer
x = 267,354,056.53
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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.