Finding the Fourth Proportional to 315,044,341.70, 472,566,512.55 and 272,577,013.70
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Solution
The fourth proportional to 315,044,341.70, 472,566,512.55 and 272,577,013.70 is: 408,865,520.55
Step by Step Solution
- Step 1: Write the proportion equation
315,044,341.70 : 472,566,512.55 = 272,577,013.70 : x - Step 2: Convert to fraction form
315,044,341.70/472,566,512.55 = 272,577,013.70/x - Step 3: Cross multiply
315,044,341.70x = 472,566,512.55 × 272,577,013.70 - Step 4: Simplify right side
315,044,341.70x = 128,810,768,765,502,576 - Step 5: Solve for x
x = 128,810,768,765,502,576/315,044,341.70 - Step 6: Final answer
x = 408,865,520.55
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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.