Finding the Fourth Proportional to 1,649,660,798.21, 2,475,591,457.40 and 600,398,709.93
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Solution
The fourth proportional to 1,649,660,798.21, 2,475,591,457.40 and 600,398,709.93 is: 900,998,507.66
Step by Step Solution
- Step 1: Write the proportion equation
1,649,660,798.21 : 2,475,591,457.40 = 600,398,709.93 : x - Step 2: Convert to fraction form
1,649,660,798.21/2,475,591,457.40 = 600,398,709.93/x - Step 3: Cross multiply
1,649,660,798.21x = 2,475,591,457.40 × 600,398,709.93 - Step 4: Simplify right side
1,649,660,798.21x = 1,486,341,917,333,686,528 - Step 5: Solve for x
x = 1,486,341,917,333,686,528/1,649,660,798.21 - Step 6: Final answer
x = 900,998,507.66
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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.