Finding the Fourth Proportional to 519,515,645.00, 779,373,726.73 and 169,667,660.85
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Solution
The fourth proportional to 519,515,645.00, 779,373,726.73 and 169,667,660.85 is: 254,534,234.75
Step by Step Solution
- Step 1: Write the proportion equation
519,515,645.00 : 779,373,726.73 = 169,667,660.85 : x - Step 2: Convert to fraction form
519,515,645.00/779,373,726.73 = 169,667,660.85/x - Step 3: Cross multiply
519,515,645.00x = 779,373,726.73 × 169,667,660.85 - Step 4: Simplify right side
519,515,645.00x = 132,234,517,138,879,392 - Step 5: Solve for x
x = 132,234,517,138,879,392/519,515,645.00 - Step 6: Final answer
x = 254,534,234.75
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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.