Finding the Fourth Proportional to 294,486,215.28, 406,779,124.68 and 220,017,348.96
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Solution
The fourth proportional to 294,486,215.28, 406,779,124.68 and 220,017,348.96 is: 303,913,935.46
Step by Step Solution
- Step 1: Write the proportion equation
294,486,215.28 : 406,779,124.68 = 220,017,348.96 : x - Step 2: Convert to fraction form
294,486,215.28/406,779,124.68 = 220,017,348.96/x - Step 3: Cross multiply
294,486,215.28x = 406,779,124.68 × 220,017,348.96 - Step 4: Simplify right side
294,486,215.28x = 89,498,464,624,362,912 - Step 5: Solve for x
x = 89,498,464,624,362,912/294,486,215.28 - Step 6: Final answer
x = 303,913,935.46
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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.