Finding the Fourth Proportional to 845,398,089.05, 1,268,097,133.58 and 482,601,033.05
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Solution
The fourth proportional to 845,398,089.05, 1,268,097,133.58 and 482,601,033.05 is: 723,901,549.58
Step by Step Solution
- Step 1: Write the proportion equation
845,398,089.05 : 1,268,097,133.58 = 482,601,033.05 : x - Step 2: Convert to fraction form
845,398,089.05/1,268,097,133.58 = 482,601,033.05/x - Step 3: Cross multiply
845,398,089.05x = 1,268,097,133.58 × 482,601,033.05 - Step 4: Simplify right side
845,398,089.05x = 611,984,986,671,038,848 - Step 5: Solve for x
x = 611,984,986,671,038,848/845,398,089.05 - Step 6: Final answer
x = 723,901,549.58
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Double scale
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Similar ratio
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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.