Finding the Fourth Proportional to 5,513,257,900.47, 7,608,939,126.35 and 3,134,752,222.98
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Solution
The fourth proportional to 5,513,257,900.47, 7,608,939,126.35 and 3,134,752,222.98 is: 4,326,323,794.65
Step by Step Solution
- Step 1: Write the proportion equation
5,513,257,900.47 : 7,608,939,126.35 = 3,134,752,222.98 : x - Step 2: Convert to fraction form
5,513,257,900.47/7,608,939,126.35 = 3,134,752,222.98/x - Step 3: Cross multiply
5,513,257,900.47x = 7,608,939,126.35 × 3,134,752,222.98 - Step 4: Simplify right side
5,513,257,900.47x = 23,852,138,840,829,489,152 - Step 5: Solve for x
x = 23,852,138,840,829,489,152/5,513,257,900.47 - Step 6: Final answer
x = 4,326,323,794.65
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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.