Finding the Fourth Proportional to 867,569,488.08, 1,197,202,785.48 and 491,167,542.48
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Solution
The fourth proportional to 867,569,488.08, 1,197,202,785.48 and 491,167,542.48 is: 677,786,803.33
Step by Step Solution
- Step 1: Write the proportion equation
867,569,488.08 : 1,197,202,785.48 = 491,167,542.48 : x - Step 2: Convert to fraction form
867,569,488.08/1,197,202,785.48 = 491,167,542.48/x - Step 3: Cross multiply
867,569,488.08x = 1,197,202,785.48 × 491,167,542.48 - Step 4: Simplify right side
867,569,488.08x = 588,027,149,994,422,272 - Step 5: Solve for x
x = 588,027,149,994,422,272/867,569,488.08 - Step 6: Final answer
x = 677,786,803.33
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.