Finding the Fourth Proportional to 18,592,617,813.70, 27,888,926,720.56 and 18,592,617,813.70
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Solution
The fourth proportional to 18,592,617,813.70, 27,888,926,720.56 and 18,592,617,813.70 is: 27,888,926,720.56
Step by Step Solution
- Step 1: Write the proportion equation
18,592,617,813.70 : 27,888,926,720.56 = 18,592,617,813.70 : x - Step 2: Convert to fraction form
18,592,617,813.70/27,888,926,720.56 = 18,592,617,813.70/x - Step 3: Cross multiply
18,592,617,813.70x = 27,888,926,720.56 × 18,592,617,813.70 - Step 4: Simplify right side
18,592,617,813.70x = 518,528,155,749,657,804,800 - Step 5: Solve for x
x = 518,528,155,749,657,804,800/18,592,617,813.70 - Step 6: Final answer
x = 27,888,926,720.56
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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.