Finding the Fourth Proportional to 402,841,922.58, 604,260,900.99 and 348,087,879.54
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Solution
The fourth proportional to 402,841,922.58, 604,260,900.99 and 348,087,879.54 is: 522,130,105.94
Step by Step Solution
- Step 1: Write the proportion equation
402,841,922.58 : 604,260,900.99 = 348,087,879.54 : x - Step 2: Convert to fraction form
402,841,922.58/604,260,900.99 = 348,087,879.54/x - Step 3: Cross multiply
402,841,922.58x = 604,260,900.99 × 348,087,879.54 - Step 4: Simplify right side
402,841,922.58x = 210,335,895,714,539,008 - Step 5: Solve for x
x = 210,335,895,714,539,008/402,841,922.58 - Step 6: Final answer
x = 522,130,105.94
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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.