Finding the Fourth Proportional to 315,044,293.70, 472,566,440.55 and 272,576,965.70
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Solution
The fourth proportional to 315,044,293.70, 472,566,440.55 and 272,576,965.70 is: 408,865,448.55
Step by Step Solution
- Step 1: Write the proportion equation
315,044,293.70 : 472,566,440.55 = 272,576,965.70 : x - Step 2: Convert to fraction form
315,044,293.70/472,566,440.55 = 272,576,965.70/x - Step 3: Cross multiply
315,044,293.70x = 472,566,440.55 × 272,576,965.70 - Step 4: Simplify right side
315,044,293.70x = 128,810,726,456,768,432 - Step 5: Solve for x
x = 128,810,726,456,768,432/315,044,293.70 - Step 6: Final answer
x = 408,865,448.55
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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.