Finding the Fourth Proportional to 310,536,425.70, 465,804,638.55 and 304,489,808.10
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Solution
The fourth proportional to 310,536,425.70, 465,804,638.55 and 304,489,808.10 is: 456,734,712.15
Step by Step Solution
- Step 1: Write the proportion equation
310,536,425.70 : 465,804,638.55 = 304,489,808.10 : x - Step 2: Convert to fraction form
310,536,425.70/465,804,638.55 = 304,489,808.10/x - Step 3: Cross multiply
310,536,425.70x = 465,804,638.55 × 304,489,808.10 - Step 4: Simplify right side
310,536,425.70x = 141,832,765,004,179,376 - Step 5: Solve for x
x = 141,832,765,004,179,376/310,536,425.70 - Step 6: Final answer
x = 456,734,712.15
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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.