Finding the Fourth Proportional to 445,824,021.70, 668,736,032.55 and 118,298,901.70
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Solution
The fourth proportional to 445,824,021.70, 668,736,032.55 and 118,298,901.70 is: 177,448,352.55
Step by Step Solution
- Step 1: Write the proportion equation
445,824,021.70 : 668,736,032.55 = 118,298,901.70 : x - Step 2: Convert to fraction form
445,824,021.70/668,736,032.55 = 118,298,901.70/x - Step 3: Cross multiply
445,824,021.70x = 668,736,032.55 × 118,298,901.70 - Step 4: Simplify right side
445,824,021.70x = 79,110,738,177,880,448 - Step 5: Solve for x
x = 79,110,738,177,880,448/445,824,021.70 - Step 6: Final answer
x = 177,448,352.55
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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.