Finding the Fourth Proportional to 66,817,149,126.64, 92,209,413,362.66 and 36,335,115,510.54
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Solution
The fourth proportional to 66,817,149,126.64, 92,209,413,362.66 and 36,335,115,510.54 is: 50,143,409,730.65
Step by Step Solution
- Step 1: Write the proportion equation
66,817,149,126.64 : 92,209,413,362.66 = 36,335,115,510.54 : x - Step 2: Convert to fraction form
66,817,149,126.64/92,209,413,362.66 = 36,335,115,510.54/x - Step 3: Cross multiply
66,817,149,126.64x = 92,209,413,362.66 × 36,335,115,510.54 - Step 4: Simplify right side
66,817,149,126.64x = 3,350,439,685,691,382,169,600 - Step 5: Solve for x
x = 3,350,439,685,691,382,169,600/66,817,149,126.64 - Step 6: Final answer
x = 50,143,409,730.65
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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.