Finding the Fourth Proportional to 238,688,814,232.77, 329,391,901,544.15 and 135,805,931,415.08
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Solution
The fourth proportional to 238,688,814,232.77, 329,391,901,544.15 and 135,805,931,415.08 is: 187,412,946,574.71
Step by Step Solution
- Step 1: Write the proportion equation
238,688,814,232.77 : 329,391,901,544.15 = 135,805,931,415.08 : x - Step 2: Convert to fraction form
238,688,814,232.77/329,391,901,544.15 = 135,805,931,415.08/x - Step 3: Cross multiply
238,688,814,232.77x = 329,391,901,544.15 × 135,805,931,415.08 - Step 4: Simplify right side
238,688,814,232.77x = 44,733,373,989,787,619,295,232 - Step 5: Solve for x
x = 44,733,373,989,787,619,295,232/238,688,814,232.77 - Step 6: Final answer
x = 187,412,946,574.71
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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.