Finding the Fourth Proportional to 302,661,808.10, 453,992,712.15 and 199,349,677.70
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Solution
The fourth proportional to 302,661,808.10, 453,992,712.15 and 199,349,677.70 is: 299,024,516.55
Step by Step Solution
- Step 1: Write the proportion equation
302,661,808.10 : 453,992,712.15 = 199,349,677.70 : x - Step 2: Convert to fraction form
302,661,808.10/453,992,712.15 = 199,349,677.70/x - Step 3: Cross multiply
302,661,808.10x = 453,992,712.15 × 199,349,677.70 - Step 4: Simplify right side
302,661,808.10x = 90,503,300,845,251,360 - Step 5: Solve for x
x = 90,503,300,845,251,360/302,661,808.10 - Step 6: Final answer
x = 299,024,516.55
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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.