Finding the Fourth Proportional to 484,965,711.70, 727,448,567.55 and 239,439,969.70
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Solution
The fourth proportional to 484,965,711.70, 727,448,567.55 and 239,439,969.70 is: 359,159,954.55
Step by Step Solution
- Step 1: Write the proportion equation
484,965,711.70 : 727,448,567.55 = 239,439,969.70 : x - Step 2: Convert to fraction form
484,965,711.70/727,448,567.55 = 239,439,969.70/x - Step 3: Cross multiply
484,965,711.70x = 727,448,567.55 × 239,439,969.70 - Step 4: Simplify right side
484,965,711.70x = 174,180,262,972,480,384 - Step 5: Solve for x
x = 174,180,262,972,480,384/484,965,711.70 - Step 6: Final answer
x = 359,159,954.55
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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.