Finding the Fourth Proportional to 420,341,637.84, 630,268,522.77 and 199,011,119.70
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Solution
The fourth proportional to 420,341,637.84, 630,268,522.77 and 199,011,119.70 is: 298,401,188.80
Step by Step Solution
- Step 1: Write the proportion equation
420,341,637.84 : 630,268,522.77 = 199,011,119.70 : x - Step 2: Convert to fraction form
420,341,637.84/630,268,522.77 = 199,011,119.70/x - Step 3: Cross multiply
420,341,637.84x = 630,268,522.77 × 199,011,119.70 - Step 4: Simplify right side
420,341,637.84x = 125,430,444,431,232,448 - Step 5: Solve for x
x = 125,430,444,431,232,448/420,341,637.84 - Step 6: Final answer
x = 298,401,188.80
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