Finding the Fourth Proportional to 257,792,198,812.08, 355,737,205,037.96 and 142,042,480,974.17
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Solution
The fourth proportional to 257,792,198,812.08, 355,737,205,037.96 and 142,042,480,974.17 is: 196,009,791,651.00
Step by Step Solution
- Step 1: Write the proportion equation
257,792,198,812.08 : 355,737,205,037.96 = 142,042,480,974.17 : x - Step 2: Convert to fraction form
257,792,198,812.08/355,737,205,037.96 = 142,042,480,974.17/x - Step 3: Cross multiply
257,792,198,812.08x = 355,737,205,037.96 × 142,042,480,974.17 - Step 4: Simplify right side
257,792,198,812.08x = 50,529,795,178,408,850,751,488 - Step 5: Solve for x
x = 50,529,795,178,408,850,751,488/257,792,198,812.08 - Step 6: Final answer
x = 196,009,791,651.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.