Finding the Fourth Proportional to 7,041,079,858.60, 9,714,571,273.38 and 4,220,658,698.68
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Solution
The fourth proportional to 7,041,079,858.60, 9,714,571,273.38 and 4,220,658,698.68 is: 5,823,238,845.79
Step by Step Solution
- Step 1: Write the proportion equation
7,041,079,858.60 : 9,714,571,273.38 = 4,220,658,698.68 : x - Step 2: Convert to fraction form
7,041,079,858.60/9,714,571,273.38 = 4,220,658,698.68/x - Step 3: Cross multiply
7,041,079,858.60x = 9,714,571,273.38 × 4,220,658,698.68 - Step 4: Simplify right side
7,041,079,858.60x = 41,001,889,748,938,137,600 - Step 5: Solve for x
x = 41,001,889,748,938,137,600/7,041,079,858.60 - Step 6: Final answer
x = 5,823,238,845.79
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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.