Finding the Fourth Proportional to 540,349,105.36, 745,682,402.91 and 292,830,459.61
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Solution
The fourth proportional to 540,349,105.36, 745,682,402.91 and 292,830,459.61 is: 404,106,379.75
Step by Step Solution
- Step 1: Write the proportion equation
540,349,105.36 : 745,682,402.91 = 292,830,459.61 : x - Step 2: Convert to fraction form
540,349,105.36/745,682,402.91 = 292,830,459.61/x - Step 3: Cross multiply
540,349,105.36x = 745,682,402.91 × 292,830,459.61 - Step 4: Simplify right side
540,349,105.36x = 218,358,520,767,224,512 - Step 5: Solve for x
x = 218,358,520,767,224,512/540,349,105.36 - Step 6: Final answer
x = 404,106,379.75
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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.