Finding the Fourth Proportional to 130,458,984,436.77, 180,030,576,732.30 and 75,528,473,925.09
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Solution
The fourth proportional to 130,458,984,436.77, 180,030,576,732.30 and 75,528,473,925.09 is: 104,227,660,357.38
Step by Step Solution
- Step 1: Write the proportion equation
130,458,984,436.77 : 180,030,576,732.30 = 75,528,473,925.09 : x - Step 2: Convert to fraction form
130,458,984,436.77/180,030,576,732.30 = 75,528,473,925.09/x - Step 3: Cross multiply
130,458,984,436.77x = 180,030,576,732.30 × 75,528,473,925.09 - Step 4: Simplify right side
130,458,984,436.77x = 13,597,434,720,444,433,301,504 - Step 5: Solve for x
x = 13,597,434,720,444,433,301,504/130,458,984,436.77 - Step 6: Final answer
x = 104,227,660,357.38
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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.