Finding the Fourth Proportional to 387,688,446.72, 581,703,354.70 and 203,411,487.60
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Solution
The fourth proportional to 387,688,446.72, 581,703,354.70 and 203,411,487.60 is: 305,206,785.81
Step by Step Solution
- Step 1: Write the proportion equation
387,688,446.72 : 581,703,354.70 = 203,411,487.60 : x - Step 2: Convert to fraction form
387,688,446.72/581,703,354.70 = 203,411,487.60/x - Step 3: Cross multiply
387,688,446.72x = 581,703,354.70 × 203,411,487.60 - Step 4: Simplify right side
387,688,446.72x = 118,325,144,720,928,912 - Step 5: Solve for x
x = 118,325,144,720,928,912/387,688,446.72 - Step 6: Final answer
x = 305,206,785.81
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