Finding the Fourth Proportional to 958,110,873.84, 1,322,192,080.08 and 518,076,676.08
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Solution
The fourth proportional to 958,110,873.84, 1,322,192,080.08 and 518,076,676.08 is: 714,945,312.37
Step by Step Solution
- Step 1: Write the proportion equation
958,110,873.84 : 1,322,192,080.08 = 518,076,676.08 : x - Step 2: Convert to fraction form
958,110,873.84/1,322,192,080.08 = 518,076,676.08/x - Step 3: Cross multiply
958,110,873.84x = 1,322,192,080.08 × 518,076,676.08 - Step 4: Simplify right side
958,110,873.84x = 684,996,877,987,147,520 - Step 5: Solve for x
x = 684,996,877,987,147,520/958,110,873.84 - Step 6: Final answer
x = 714,945,312.37
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1.5x scale
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.