Finding the Fourth Proportional to 485,048,203.40, 727,678,593.30 and 239,522,461.40
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Solution
The fourth proportional to 485,048,203.40, 727,678,593.30 and 239,522,461.40 is: 359,336,178.45
Step by Step Solution
- Step 1: Write the proportion equation
485,048,203.40 : 727,678,593.30 = 239,522,461.40 : x - Step 2: Convert to fraction form
485,048,203.40/727,678,593.30 = 239,522,461.40/x - Step 3: Cross multiply
485,048,203.40x = 727,678,593.30 × 239,522,461.40 - Step 4: Simplify right side
485,048,203.40x = 174,295,367,775,305,536 - Step 5: Solve for x
x = 174,295,367,775,305,536/485,048,203.40 - Step 6: Final answer
x = 359,336,178.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.