Finding the Fourth Proportional to 1,278,099,205,744.70, 1,763,777,854,846.70 and 692,153,599,813.93
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Solution
The fourth proportional to 1,278,099,205,744.70, 1,763,777,854,846.70 and 692,153,599,813.93 is: 955,172,482,712.65
Step by Step Solution
- Step 1: Write the proportion equation
1,278,099,205,744.70 : 1,763,777,854,846.70 = 692,153,599,813.93 : x - Step 2: Convert to fraction form
1,278,099,205,744.70/1,763,777,854,846.70 = 692,153,599,813.93/x - Step 3: Cross multiply
1,278,099,205,744.70x = 1,763,777,854,846.70 × 692,153,599,813.93 - Step 4: Simplify right side
1,278,099,205,744.70x = 1,220,805,191,504,234,796,810,240 - Step 5: Solve for x
x = 1,220,805,191,504,234,796,810,240/1,278,099,205,744.70 - Step 6: Final answer
x = 955,172,482,712.65
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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.