Finding the Fourth Proportional to 428,837,337.12, 643,327,753.68 and 336,717,359.52
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Solution
The fourth proportional to 428,837,337.12, 643,327,753.68 and 336,717,359.52 is: 505,132,374.85
Step by Step Solution
- Step 1: Write the proportion equation
428,837,337.12 : 643,327,753.68 = 336,717,359.52 : x - Step 2: Convert to fraction form
428,837,337.12/643,327,753.68 = 336,717,359.52/x - Step 3: Cross multiply
428,837,337.12x = 643,327,753.68 × 336,717,359.52 - Step 4: Simplify right side
428,837,337.12x = 216,619,622,525,062,528 - Step 5: Solve for x
x = 216,619,622,525,062,528/428,837,337.12 - Step 6: Final answer
x = 505,132,374.85
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