Finding the Fourth Proportional to 403,590,295.08, 556,954,601.67 and 217,951,305.30
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Solution
The fourth proportional to 403,590,295.08, 556,954,601.67 and 217,951,305.30 is: 300,772,798.32
Step by Step Solution
- Step 1: Write the proportion equation
403,590,295.08 : 556,954,601.67 = 217,951,305.30 : x - Step 2: Convert to fraction form
403,590,295.08/556,954,601.67 = 217,951,305.30/x - Step 3: Cross multiply
403,590,295.08x = 556,954,601.67 × 217,951,305.30 - Step 4: Simplify right side
403,590,295.08x = 121,388,982,426,818,064 - Step 5: Solve for x
x = 121,388,982,426,818,064/403,590,295.08 - Step 6: Final answer
x = 300,772,798.32
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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.