Finding the Fourth Proportional to 370,550,948.08, 511,421,638.44 and 205,591,661.68
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Solution
The fourth proportional to 370,550,948.08, 511,421,638.44 and 205,591,661.68 is: 283,750,520.71
Step by Step Solution
- Step 1: Write the proportion equation
370,550,948.08 : 511,421,638.44 = 205,591,661.68 : x - Step 2: Convert to fraction form
370,550,948.08/511,421,638.44 = 205,591,661.68/x - Step 3: Cross multiply
370,550,948.08x = 511,421,638.44 × 205,591,661.68 - Step 4: Simplify right side
370,550,948.08x = 105,144,024,465,987,760 - Step 5: Solve for x
x = 105,144,024,465,987,760/370,550,948.08 - Step 6: Final answer
x = 283,750,520.71
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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.