Finding the Fourth Proportional to 420,341,638.84, 630,268,524.27 and 199,011,120.70
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Solution
The fourth proportional to 420,341,638.84, 630,268,524.27 and 199,011,120.70 is: 298,401,190.29
Step by Step Solution
- Step 1: Write the proportion equation
420,341,638.84 : 630,268,524.27 = 199,011,120.70 : x - Step 2: Convert to fraction form
420,341,638.84/630,268,524.27 = 199,011,120.70/x - Step 3: Cross multiply
420,341,638.84x = 630,268,524.27 × 199,011,120.70 - Step 4: Simplify right side
420,341,638.84x = 125,430,445,356,907,840 - Step 5: Solve for x
x = 125,430,445,356,907,840/420,341,638.84 - Step 6: Final answer
x = 298,401,190.29
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