Finding the Fourth Proportional to 709,171,729.95, 1,064,172,118.89 and 512,240,952.99
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Solution
The fourth proportional to 709,171,729.95, 1,064,172,118.89 and 512,240,952.99 is: 768,660,843.78
Step by Step Solution
- Step 1: Write the proportion equation
709,171,729.95 : 1,064,172,118.89 = 512,240,952.99 : x - Step 2: Convert to fraction form
709,171,729.95/1,064,172,118.89 = 512,240,952.99/x - Step 3: Cross multiply
709,171,729.95x = 1,064,172,118.89 × 512,240,952.99 - Step 4: Simplify right side
709,171,729.95x = 545,112,540,325,601,152 - Step 5: Solve for x
x = 545,112,540,325,601,152/709,171,729.95 - Step 6: Final answer
x = 768,660,843.78
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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.