Finding the Fourth Proportional to 284,544,962.51, 392,551,808.05 and 190,489,412.66
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Solution
The fourth proportional to 284,544,962.51, 392,551,808.05 and 190,489,412.66 is: 262,794,894.32
Step by Step Solution
- Step 1: Write the proportion equation
284,544,962.51 : 392,551,808.05 = 190,489,412.66 : x - Step 2: Convert to fraction form
284,544,962.51/392,551,808.05 = 190,489,412.66/x - Step 3: Cross multiply
284,544,962.51x = 392,551,808.05 × 190,489,412.66 - Step 4: Simplify right side
284,544,962.51x = 74,776,963,351,150,352 - Step 5: Solve for x
x = 74,776,963,351,150,352/284,544,962.51 - Step 6: Final answer
x = 262,794,894.32
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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.