Finding the Fourth Proportional to 845,712,694.44, 1,167,583,884.66 and 532,715,203.08
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Solution
The fourth proportional to 845,712,694.44, 1,167,583,884.66 and 532,715,203.08 is: 735,462,161.46
Step by Step Solution
- Step 1: Write the proportion equation
845,712,694.44 : 1,167,583,884.66 = 532,715,203.08 : x - Step 2: Convert to fraction form
845,712,694.44/1,167,583,884.66 = 532,715,203.08/x - Step 3: Cross multiply
845,712,694.44x = 1,167,583,884.66 × 532,715,203.08 - Step 4: Simplify right side
845,712,694.44x = 621,989,686,229,587,200 - Step 5: Solve for x
x = 621,989,686,229,587,200/845,712,694.44 - Step 6: Final answer
x = 735,462,161.46
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Double scale
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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.