Finding the Fourth Proportional to 535,340,603.99, 802,972,997.84 and 141,858,718.44
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Solution
The fourth proportional to 535,340,603.99, 802,972,997.84 and 141,858,718.44 is: 212,778,032.47
Step by Step Solution
- Step 1: Write the proportion equation
535,340,603.99 : 802,972,997.84 = 141,858,718.44 : x - Step 2: Convert to fraction form
535,340,603.99/802,972,997.84 = 141,858,718.44/x - Step 3: Cross multiply
535,340,603.99x = 802,972,997.84 × 141,858,718.44 - Step 4: Simplify right side
535,340,603.99x = 113,908,720,414,798,000 - Step 5: Solve for x
x = 113,908,720,414,798,000/535,340,603.99 - Step 6: Final answer
x = 212,778,032.47
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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.