Finding the Fourth Proportional to 369,989,816.09, 555,018,839.28 and 120,996,365.02
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Solution
The fourth proportional to 369,989,816.09, 555,018,839.28 and 120,996,365.02 is: 181,505,704.08
Step by Step Solution
- Step 1: Write the proportion equation
369,989,816.09 : 555,018,839.28 = 120,996,365.02 : x - Step 2: Convert to fraction form
369,989,816.09/555,018,839.28 = 120,996,365.02/x - Step 3: Cross multiply
369,989,816.09x = 555,018,839.28 × 120,996,365.02 - Step 4: Simplify right side
369,989,816.09x = 67,155,262,069,112,040 - Step 5: Solve for x
x = 67,155,262,069,112,040/369,989,816.09 - Step 6: Final answer
x = 181,505,704.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.