Finding the Fourth Proportional to 313,489,878,222.24, 432,603,571,211.28 and 185,072,693,761.44
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Solution
The fourth proportional to 313,489,878,222.24, 432,603,571,211.28 and 185,072,693,761.44 is: 255,392,961,038.86
Step by Step Solution
- Step 1: Write the proportion equation
313,489,878,222.24 : 432,603,571,211.28 = 185,072,693,761.44 : x - Step 2: Convert to fraction form
313,489,878,222.24/432,603,571,211.28 = 185,072,693,761.44/x - Step 3: Cross multiply
313,489,878,222.24x = 432,603,571,211.28 × 185,072,693,761.44 - Step 4: Simplify right side
313,489,878,222.24x = 80,063,108,254,890,532,536,320 - Step 5: Solve for x
x = 80,063,108,254,890,532,536,320/313,489,878,222.24 - Step 6: Final answer
x = 255,392,961,038.86
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1.5x scale
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.