Finding the Fourth Proportional to 4,751,725,174.12, 7,127,860,142.94 and 1,258,039,864.12
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Solution
The fourth proportional to 4,751,725,174.12, 7,127,860,142.94 and 1,258,039,864.12 is: 1,887,131,910.43
Step by Step Solution
- Step 1: Write the proportion equation
4,751,725,174.12 : 7,127,860,142.94 = 1,258,039,864.12 : x - Step 2: Convert to fraction form
4,751,725,174.12/7,127,860,142.94 = 1,258,039,864.12/x - Step 3: Cross multiply
4,751,725,174.12x = 7,127,860,142.94 × 1,258,039,864.12 - Step 4: Simplify right side
4,751,725,174.12x = 8,967,132,205,690,600,448 - Step 5: Solve for x
x = 8,967,132,205,690,600,448/4,751,725,174.12 - Step 6: Final answer
x = 1,887,131,910.43
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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.