Finding the Fourth Proportional to 1,628,573,879.97, 2,441,745,595.02 and 829,343,939.13
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Solution
The fourth proportional to 1,628,573,879.97, 2,441,745,595.02 and 829,343,939.13 is: 1,243,447,985.40
Step by Step Solution
- Step 1: Write the proportion equation
1,628,573,879.97 : 2,441,745,595.02 = 829,343,939.13 : x - Step 2: Convert to fraction form
1,628,573,879.97/2,441,745,595.02 = 829,343,939.13/x - Step 3: Cross multiply
1,628,573,879.97x = 2,441,745,595.02 × 829,343,939.13 - Step 4: Simplify right side
1,628,573,879.97x = 2,025,046,910,127,212,544 - Step 5: Solve for x
x = 2,025,046,910,127,212,544/1,628,573,879.97 - Step 6: Final answer
x = 1,243,447,985.40
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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.