Finding the Fourth Proportional to 658,127,011.74, 908,202,290.27 and 360,769,894.62
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Solution
The fourth proportional to 658,127,011.74, 908,202,290.27 and 360,769,894.62 is: 497,855,335.99
Step by Step Solution
- Step 1: Write the proportion equation
658,127,011.74 : 908,202,290.27 = 360,769,894.62 : x - Step 2: Convert to fraction form
658,127,011.74/908,202,290.27 = 360,769,894.62/x - Step 3: Cross multiply
658,127,011.74x = 908,202,290.27 × 360,769,894.62 - Step 4: Simplify right side
658,127,011.74x = 327,652,044,552,546,688 - Step 5: Solve for x
x = 327,652,044,552,546,688/658,127,011.74 - Step 6: Final answer
x = 497,855,335.99
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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.