Finding the Fourth Proportional to 7,628,245,272.17, 10,527,567,494.88 and 4,576,535,986.06
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Solution
The fourth proportional to 7,628,245,272.17, 10,527,567,494.88 and 4,576,535,986.06 is: 6,315,973,040.59
Step by Step Solution
- Step 1: Write the proportion equation
7,628,245,272.17 : 10,527,567,494.88 = 4,576,535,986.06 : x - Step 2: Convert to fraction form
7,628,245,272.17/10,527,567,494.88 = 4,576,535,986.06/x - Step 3: Cross multiply
7,628,245,272.17x = 10,527,567,494.88 × 4,576,535,986.06 - Step 4: Simplify right side
7,628,245,272.17x = 48,179,791,486,024,785,920 - Step 5: Solve for x
x = 48,179,791,486,024,785,920/7,628,245,272.17 - Step 6: Final answer
x = 6,315,973,040.59
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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.