Finding the Fourth Proportional to 2,021,525,139.30, 3,032,287,708.95 and 567,502,563.30
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Solution
The fourth proportional to 2,021,525,139.30, 3,032,287,708.95 and 567,502,563.30 is: 851,253,844.95
Step by Step Solution
- Step 1: Write the proportion equation
2,021,525,139.30 : 3,032,287,708.95 = 567,502,563.30 : x - Step 2: Convert to fraction form
2,021,525,139.30/3,032,287,708.95 = 567,502,563.30/x - Step 3: Cross multiply
2,021,525,139.30x = 3,032,287,708.95 × 567,502,563.30 - Step 4: Simplify right side
2,021,525,139.30x = 1,720,831,047,492,209,152 - Step 5: Solve for x
x = 1,720,831,047,492,209,152/2,021,525,139.30 - Step 6: Final answer
x = 851,253,844.95
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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.