Finding the Fourth Proportional to 505,306,470.54, 758,032,009.01 and 155,582,129.08
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Solution
The fourth proportional to 505,306,470.54, 758,032,009.01 and 155,582,129.08 is: 233,395,455.53
Step by Step Solution
- Step 1: Write the proportion equation
505,306,470.54 : 758,032,009.01 = 155,582,129.08 : x - Step 2: Convert to fraction form
505,306,470.54/758,032,009.01 = 155,582,129.08/x - Step 3: Cross multiply
505,306,470.54x = 758,032,009.01 × 155,582,129.08 - Step 4: Simplify right side
505,306,470.54x = 117,936,233,872,565,552 - Step 5: Solve for x
x = 117,936,233,872,565,552/505,306,470.54 - Step 6: Final answer
x = 233,395,455.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.