Finding the Fourth Proportional to 505,306,823.97, 758,032,539.09 and 155,582,482.71
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Solution
The fourth proportional to 505,306,823.97, 758,032,539.09 and 155,582,482.71 is: 233,395,985.99
Step by Step Solution
- Step 1: Write the proportion equation
505,306,823.97 : 758,032,539.09 = 155,582,482.71 : x - Step 2: Convert to fraction form
505,306,823.97/758,032,539.09 = 155,582,482.71/x - Step 3: Cross multiply
505,306,823.97x = 758,032,539.09 × 155,582,482.71 - Step 4: Simplify right side
505,306,823.97x = 117,936,584,406,587,328 - Step 5: Solve for x
x = 117,936,584,406,587,328/505,306,823.97 - Step 6: Final answer
x = 233,395,985.99
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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.