Finding the Fourth Proportional to 390,610,699.68, 585,586,526.88 and 321,526,912.60
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Solution
The fourth proportional to 390,610,699.68, 585,586,526.88 and 321,526,912.60 is: 482,019,125.95
Step by Step Solution
- Step 1: Write the proportion equation
390,610,699.68 : 585,586,526.88 = 321,526,912.60 : x - Step 2: Convert to fraction form
390,610,699.68/585,586,526.88 = 321,526,912.60/x - Step 3: Cross multiply
390,610,699.68x = 585,586,526.88 × 321,526,912.60 - Step 4: Simplify right side
390,610,699.68x = 188,281,828,047,883,328 - Step 5: Solve for x
x = 188,281,828,047,883,328/390,610,699.68 - Step 6: Final answer
x = 482,019,125.95
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