Finding the Fourth Proportional to 314,929,543.70, 472,394,315.55 and 283,184,801.30
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Solution
The fourth proportional to 314,929,543.70, 472,394,315.55 and 283,184,801.30 is: 424,777,201.95
Step by Step Solution
- Step 1: Write the proportion equation
314,929,543.70 : 472,394,315.55 = 283,184,801.30 : x - Step 2: Convert to fraction form
314,929,543.70/472,394,315.55 = 283,184,801.30/x - Step 3: Cross multiply
314,929,543.70x = 472,394,315.55 × 283,184,801.30 - Step 4: Simplify right side
314,929,543.70x = 133,774,890,384,276,256 - Step 5: Solve for x
x = 133,774,890,384,276,256/314,929,543.70 - Step 6: Final answer
x = 424,777,201.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.