Finding the Fourth Proportional to 753,799,199.68, 1,040,227,978.62 and 419,264,525.98
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Solution
The fourth proportional to 753,799,199.68, 1,040,227,978.62 and 419,264,525.98 is: 578,576,749.02
Step by Step Solution
- Step 1: Write the proportion equation
753,799,199.68 : 1,040,227,978.62 = 419,264,525.98 : x - Step 2: Convert to fraction form
753,799,199.68/1,040,227,978.62 = 419,264,525.98/x - Step 3: Cross multiply
753,799,199.68x = 1,040,227,978.62 × 419,264,525.98 - Step 4: Simplify right side
753,799,199.68x = 436,130,690,367,247,872 - Step 5: Solve for x
x = 436,130,690,367,247,872/753,799,199.68 - Step 6: Final answer
x = 578,576,749.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.