Finding the Fourth Proportional to 554,222,664.21, 764,829,303.98 and 299,904,021.75
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Solution
The fourth proportional to 554,222,664.21, 764,829,303.98 and 299,904,021.75 is: 413,868,647.07
Step by Step Solution
- Step 1: Write the proportion equation
554,222,664.21 : 764,829,303.98 = 299,904,021.75 : x - Step 2: Convert to fraction form
554,222,664.21/764,829,303.98 = 299,904,021.75/x - Step 3: Cross multiply
554,222,664.21x = 764,829,303.98 × 299,904,021.75 - Step 4: Simplify right side
554,222,664.21x = 229,375,384,214,355,776 - Step 5: Solve for x
x = 229,375,384,214,355,776/554,222,664.21 - Step 6: Final answer
x = 413,868,647.07
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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.