Finding the Fourth Proportional to 860,174,214,233.80, 1,187,040,531,867.90 and 474,798,632,810.12
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Solution
The fourth proportional to 860,174,214,233.80, 1,187,040,531,867.90 and 474,798,632,810.12 is: 655,222,177,431.94
Step by Step Solution
- Step 1: Write the proportion equation
860,174,214,233.80 : 1,187,040,531,867.90 = 474,798,632,810.12 : x - Step 2: Convert to fraction form
860,174,214,233.80/1,187,040,531,867.90 = 474,798,632,810.12/x - Step 3: Cross multiply
860,174,214,233.80x = 1,187,040,531,867.90 × 474,798,632,810.12 - Step 4: Simplify right side
860,174,214,233.80x = 563,605,221,621,076,554,940,416 - Step 5: Solve for x
x = 563,605,221,621,076,554,940,416/860,174,214,233.80 - Step 6: Final answer
x = 655,222,177,431.94
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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.