Finding the Fourth Proportional to 2,945,399,494.47, 4,064,737,140.46 and 1,607,375,768.09
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Solution
The fourth proportional to 2,945,399,494.47, 4,064,737,140.46 and 1,607,375,768.09 is: 2,218,225,403.88
Step by Step Solution
- Step 1: Write the proportion equation
2,945,399,494.47 : 4,064,737,140.46 = 1,607,375,768.09 : x - Step 2: Convert to fraction form
2,945,399,494.47/4,064,737,140.46 = 1,607,375,768.09/x - Step 3: Cross multiply
2,945,399,494.47x = 4,064,737,140.46 × 1,607,375,768.09 - Step 4: Simplify right side
2,945,399,494.47x = 6,533,559,983,203,607,552 - Step 5: Solve for x
x = 6,533,559,983,203,607,552/2,945,399,494.47 - Step 6: Final answer
x = 2,218,225,403.88
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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.