Finding the Fourth Proportional to 3,714,934,425.20, 5,126,454,780.66 and 2,021,395,720.76
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Solution
The fourth proportional to 3,714,934,425.20, 5,126,454,780.66 and 2,021,395,720.76 is: 2,789,441,904.01
Step by Step Solution
- Step 1: Write the proportion equation
3,714,934,425.20 : 5,126,454,780.66 = 2,021,395,720.76 : x - Step 2: Convert to fraction form
3,714,934,425.20/5,126,454,780.66 = 2,021,395,720.76/x - Step 3: Cross multiply
3,714,934,425.20x = 5,126,454,780.66 × 2,021,395,720.76 - Step 4: Simplify right side
3,714,934,425.20x = 10,362,593,756,295,768,064 - Step 5: Solve for x
x = 10,362,593,756,295,768,064/3,714,934,425.20 - Step 6: Final answer
x = 2,789,441,904.01
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1.5x scale
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.