Finding the Fourth Proportional to 551,628,480.24, 827,563,792.68 and 163,481,732.28
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Solution
The fourth proportional to 551,628,480.24, 827,563,792.68 and 163,481,732.28 is: 245,258,479.66
Step by Step Solution
- Step 1: Write the proportion equation
551,628,480.24 : 827,563,792.68 = 163,481,732.28 : x - Step 2: Convert to fraction form
551,628,480.24/827,563,792.68 = 163,481,732.28/x - Step 3: Cross multiply
551,628,480.24x = 827,563,792.68 × 163,481,732.28 - Step 4: Simplify right side
551,628,480.24x = 135,291,562,399,533,184 - Step 5: Solve for x
x = 135,291,562,399,533,184/551,628,480.24 - Step 6: Final answer
x = 245,258,479.66
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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.