Finding the Fourth Proportional to 437,826,969.77, 604,201,266.09 and 239,588,506.53
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Solution
The fourth proportional to 437,826,969.77, 604,201,266.09 and 239,588,506.53 is: 330,632,165.18
Step by Step Solution
- Step 1: Write the proportion equation
437,826,969.77 : 604,201,266.09 = 239,588,506.53 : x - Step 2: Convert to fraction form
437,826,969.77/604,201,266.09 = 239,588,506.53/x - Step 3: Cross multiply
437,826,969.77x = 604,201,266.09 × 239,588,506.53 - Step 4: Simplify right side
437,826,969.77x = 144,759,678,986,038,240 - Step 5: Solve for x
x = 144,759,678,986,038,240/437,826,969.77 - Step 6: Final answer
x = 330,632,165.18
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.