Finding the Fourth Proportional to 743,617,292.00, 1,115,185,128.79 and 245,515,910.98
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Solution
The fourth proportional to 743,617,292.00, 1,115,185,128.79 and 245,515,910.98 is: 368,194,359.86
Step by Step Solution
- Step 1: Write the proportion equation
743,617,292.00 : 1,115,185,128.79 = 245,515,910.98 : x - Step 2: Convert to fraction form
743,617,292.00/1,115,185,128.79 = 245,515,910.98/x - Step 3: Cross multiply
743,617,292.00x = 1,115,185,128.79 × 245,515,910.98 - Step 4: Simplify right side
743,617,292.00x = 273,795,692,805,386,784 - Step 5: Solve for x
x = 273,795,692,805,386,784/743,617,292.00 - Step 6: Final answer
x = 368,194,359.86
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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.