Finding the Fourth Proportional to 935,695,999.20, 1,403,543,998.80 and 245,673,004.80
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Solution
The fourth proportional to 935,695,999.20, 1,403,543,998.80 and 245,673,004.80 is: 368,509,507.20
Step by Step Solution
- Step 1: Write the proportion equation
935,695,999.20 : 1,403,543,998.80 = 245,673,004.80 : x - Step 2: Convert to fraction form
935,695,999.20/1,403,543,998.80 = 245,673,004.80/x - Step 3: Cross multiply
935,695,999.20x = 1,403,543,998.80 × 245,673,004.80 - Step 4: Simplify right side
935,695,999.20x = 344,812,871,554,203,584 - Step 5: Solve for x
x = 344,812,871,554,203,584/935,695,999.20 - Step 6: Final answer
x = 368,509,507.20
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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.