Finding the Fourth Proportional to 2,155,022,358,040.20, 3,232,541,923,565 and 521,365,230,307.98
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Solution
The fourth proportional to 2,155,022,358,040.20, 3,232,541,923,565 and 521,365,230,307.98 is: 782,049,874,411.66
Step by Step Solution
- Step 1: Write the proportion equation
2,155,022,358,040.20 : 3,232,541,923,565 = 521,365,230,307.98 : x - Step 2: Convert to fraction form
2,155,022,358,040.20/3,232,541,923,565 = 521,365,230,307.98/x - Step 3: Cross multiply
2,155,022,358,040.20x = 3,232,541,923,565 × 521,365,230,307.98 - Step 4: Simplify right side
2,155,022,358,040.20x = 1,685,334,964,459,666,944,294,912 - Step 5: Solve for x
x = 1,685,334,964,459,666,944,294,912/2,155,022,358,040.20 - Step 6: Final answer
x = 782,049,874,411.66
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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.