Finding the Fourth Proportional to 1,589,607,683.19, 2,193,618,507.86 and 875,136,105.63
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Solution
The fourth proportional to 1,589,607,683.19, 2,193,618,507.86 and 875,136,105.63 is: 1,207,665,752.06
Step by Step Solution
- Step 1: Write the proportion equation
1,589,607,683.19 : 2,193,618,507.86 = 875,136,105.63 : x - Step 2: Convert to fraction form
1,589,607,683.19/2,193,618,507.86 = 875,136,105.63/x - Step 3: Cross multiply
1,589,607,683.19x = 2,193,618,507.86 × 875,136,105.63 - Step 4: Simplify right side
1,589,607,683.19x = 1,919,714,758,202,116,352 - Step 5: Solve for x
x = 1,919,714,758,202,116,352/1,589,607,683.19 - Step 6: Final answer
x = 1,207,665,752.06
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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.