Finding the Fourth Proportional to 959,777,672,421.60, 1,439,513,258,049.40 and 279,696,950,201.12
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Solution
The fourth proportional to 959,777,672,421.60, 1,439,513,258,049.40 and 279,696,950,201.12 is: 419,500,765,249.76
Step by Step Solution
- Step 1: Write the proportion equation
959,777,672,421.60 : 1,439,513,258,049.40 = 279,696,950,201.12 : x - Step 2: Convert to fraction form
959,777,672,421.60/1,439,513,258,049.40 = 279,696,950,201.12/x - Step 3: Cross multiply
959,777,672,421.60x = 1,439,513,258,049.40 × 279,696,950,201.12 - Step 4: Simplify right side
959,777,672,421.60x = 402,627,468,050,494,990,057,472 - Step 5: Solve for x
x = 402,627,468,050,494,990,057,472/959,777,672,421.60 - Step 6: Final answer
x = 419,500,765,249.76
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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.