Finding the Fourth Proportional to 690,382,883.08, 1,034,395,483.02 and 379,750,345.48
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Solution
The fourth proportional to 690,382,883.08, 1,034,395,483.02 and 379,750,345.48 is: 568,977,087.45
Step by Step Solution
- Step 1: Write the proportion equation
690,382,883.08 : 1,034,395,483.02 = 379,750,345.48 : x - Step 2: Convert to fraction form
690,382,883.08/1,034,395,483.02 = 379,750,345.48/x - Step 3: Cross multiply
690,382,883.08x = 1,034,395,483.02 × 379,750,345.48 - Step 4: Simplify right side
690,382,883.08x = 392,812,042,039,796,480 - Step 5: Solve for x
x = 392,812,042,039,796,480/690,382,883.08 - Step 6: Final answer
x = 568,977,087.45
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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.