Finding the Fourth Proportional to 1,258,715,509.24, 1,887,751,207.34 and 373,193,802.66
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Solution
The fourth proportional to 1,258,715,509.24, 1,887,751,207.34 and 373,193,802.66 is: 559,695,218.16
Step by Step Solution
- Step 1: Write the proportion equation
1,258,715,509.24 : 1,887,751,207.34 = 373,193,802.66 : x - Step 2: Convert to fraction form
1,258,715,509.24/1,887,751,207.34 = 373,193,802.66/x - Step 3: Cross multiply
1,258,715,509.24x = 1,887,751,207.34 × 373,193,802.66 - Step 4: Simplify right side
1,258,715,509.24x = 704,497,051,543,220,736 - Step 5: Solve for x
x = 704,497,051,543,220,736/1,258,715,509.24 - Step 6: Final answer
x = 559,695,218.16
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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.