Finding the Fourth Proportional to 310,068,004.20, 465,102,006.30 and 266,985,853.80
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Solution
The fourth proportional to 310,068,004.20, 465,102,006.30 and 266,985,853.80 is: 400,478,780.70
Step by Step Solution
- Step 1: Write the proportion equation
310,068,004.20 : 465,102,006.30 = 266,985,853.80 : x - Step 2: Convert to fraction form
310,068,004.20/465,102,006.30 = 266,985,853.80/x - Step 3: Cross multiply
310,068,004.20x = 465,102,006.30 × 266,985,853.80 - Step 4: Simplify right side
310,068,004.20x = 124,175,656,256,098,480 - Step 5: Solve for x
x = 124,175,656,256,098,480/310,068,004.20 - Step 6: Final answer
x = 400,478,780.70
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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.