Finding the Fourth Proportional to 658,127,013.24, 908,202,292.34 and 360,769,896.12
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Solution
The fourth proportional to 658,127,013.24, 908,202,292.34 and 360,769,896.12 is: 497,855,338.06
Step by Step Solution
- Step 1: Write the proportion equation
658,127,013.24 : 908,202,292.34 = 360,769,896.12 : x - Step 2: Convert to fraction form
658,127,013.24/908,202,292.34 = 360,769,896.12/x - Step 3: Cross multiply
658,127,013.24x = 908,202,292.34 × 360,769,896.12 - Step 4: Simplify right side
658,127,013.24x = 327,652,046,661,643,840 - Step 5: Solve for x
x = 327,652,046,661,643,840/658,127,013.24 - Step 6: Final answer
x = 497,855,338.06
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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.