Finding the Fourth Proportional to 658,645,427.60, 987,862,125.68 and 192,197,334.58
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Solution
The fourth proportional to 658,645,427.60, 987,862,125.68 and 192,197,334.58 is: 288,265,065.74
Step by Step Solution
- Step 1: Write the proportion equation
658,645,427.60 : 987,862,125.68 = 192,197,334.58 : x - Step 2: Convert to fraction form
658,645,427.60/987,862,125.68 = 192,197,334.58/x - Step 3: Cross multiply
658,645,427.60x = 987,862,125.68 × 192,197,334.58 - Step 4: Simplify right side
658,645,427.60x = 189,864,467,488,228,960 - Step 5: Solve for x
x = 189,864,467,488,228,960/658,645,427.60 - Step 6: Final answer
x = 288,265,065.74
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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.