Finding the Fourth Proportional to 1,845,952,468.13, 2,768,935,801.90 and 446,934,409.29
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Solution
The fourth proportional to 1,845,952,468.13, 2,768,935,801.90 and 446,934,409.29 is: 670,403,332.89
Step by Step Solution
- Step 1: Write the proportion equation
1,845,952,468.13 : 2,768,935,801.90 = 446,934,409.29 : x - Step 2: Convert to fraction form
1,845,952,468.13/2,768,935,801.90 = 446,934,409.29/x - Step 3: Cross multiply
1,845,952,468.13x = 2,768,935,801.90 × 446,934,409.29 - Step 4: Simplify right side
1,845,952,468.13x = 1,237,532,686,984,109,056 - Step 5: Solve for x
x = 1,237,532,686,984,109,056/1,845,952,468.13 - Step 6: Final answer
x = 670,403,332.89
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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.