Finding the Fourth Proportional to 363,721,921.30, 545,927,806.68 and 225,128,294.74
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Solution
The fourth proportional to 363,721,921.30, 545,927,806.68 and 225,128,294.74 is: 337,905,935.75
Step by Step Solution
- Step 1: Write the proportion equation
363,721,921.30 : 545,927,806.68 = 225,128,294.74 : x - Step 2: Convert to fraction form
363,721,921.30/545,927,806.68 = 225,128,294.74/x - Step 3: Cross multiply
363,721,921.30x = 545,927,806.68 × 225,128,294.74 - Step 4: Simplify right side
363,721,921.30x = 122,903,796,169,016,768 - Step 5: Solve for x
x = 122,903,796,169,016,768/363,721,921.30 - Step 6: Final answer
x = 337,905,935.75
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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.