Finding the Fourth Proportional to 350,068,154.68, 483,121,603.74 and 199,367,170.71
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Solution
The fourth proportional to 350,068,154.68, 483,121,603.74 and 199,367,170.71 is: 275,142,385.73
Step by Step Solution
- Step 1: Write the proportion equation
350,068,154.68 : 483,121,603.74 = 199,367,170.71 : x - Step 2: Convert to fraction form
350,068,154.68/483,121,603.74 = 199,367,170.71/x - Step 3: Cross multiply
350,068,154.68x = 483,121,603.74 × 199,367,170.71 - Step 4: Simplify right side
350,068,154.68x = 96,318,587,246,521,568 - Step 5: Solve for x
x = 96,318,587,246,521,568/350,068,154.68 - Step 6: Final answer
x = 275,142,385.73
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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.