Finding the Fourth Proportional to 221,670,768,922.28, 332,327,217,111.32 and 203,778,095,444.99
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Solution
The fourth proportional to 221,670,768,922.28, 332,327,217,111.32 and 203,778,095,444.99 is: 305,502,650,154.21
Step by Step Solution
- Step 1: Write the proportion equation
221,670,768,922.28 : 332,327,217,111.32 = 203,778,095,444.99 : x - Step 2: Convert to fraction form
221,670,768,922.28/332,327,217,111.32 = 203,778,095,444.99/x - Step 3: Cross multiply
221,670,768,922.28x = 332,327,217,111.32 × 203,778,095,444.99 - Step 4: Simplify right side
221,670,768,922.28x = 67,721,007,367,478,476,537,856 - Step 5: Solve for x
x = 67,721,007,367,478,476,537,856/221,670,768,922.28 - Step 6: Final answer
x = 305,502,650,154.21
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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.