Finding the Fourth Proportional to 1,847,157,781,239.60, 2,768,797,125,220.50 and 621,491,382,509.28
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Solution
The fourth proportional to 1,847,157,781,239.60, 2,768,797,125,220.50 and 621,491,382,509.28 is: 931,584,497,392.65
Step by Step Solution
- Step 1: Write the proportion equation
1,847,157,781,239.60 : 2,768,797,125,220.50 = 621,491,382,509.28 : x - Step 2: Convert to fraction form
1,847,157,781,239.60/2,768,797,125,220.50 = 621,491,382,509.28/x - Step 3: Cross multiply
1,847,157,781,239.60x = 2,768,797,125,220.50 × 621,491,382,509.28 - Step 4: Simplify right side
1,847,157,781,239.60x = 1,720,783,553,241,008,622,796,800 - Step 5: Solve for x
x = 1,720,783,553,241,008,622,796,800/1,847,157,781,239.60 - Step 6: Final answer
x = 931,584,497,392.65
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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.