Finding the Fourth Proportional to 76,668,489,132.22, 115,005,076,564.35 and 26,303,216,425.63
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Solution
The fourth proportional to 76,668,489,132.22, 115,005,076,564.35 and 26,303,216,425.63 is: 39,455,628,422.54
Step by Step Solution
- Step 1: Write the proportion equation
76,668,489,132.22 : 115,005,076,564.35 = 26,303,216,425.63 : x - Step 2: Convert to fraction form
76,668,489,132.22/115,005,076,564.35 = 26,303,216,425.63/x - Step 3: Cross multiply
76,668,489,132.22x = 115,005,076,564.35 × 26,303,216,425.63 - Step 4: Simplify right side
76,668,489,132.22x = 3,025,003,418,918,247,202,816 - Step 5: Solve for x
x = 3,025,003,418,918,247,202,816/76,668,489,132.22 - Step 6: Final answer
x = 39,455,628,422.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.