Finding the Fourth Proportional to 1,873,673,241.07, 2,585,580,371.31 and 1,121,400,900.22
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Solution
The fourth proportional to 1,873,673,241.07, 2,585,580,371.31 and 1,121,400,900.22 is: 1,547,480,154.18
Step by Step Solution
- Step 1: Write the proportion equation
1,873,673,241.07 : 2,585,580,371.31 = 1,121,400,900.22 : x - Step 2: Convert to fraction form
1,873,673,241.07/2,585,580,371.31 = 1,121,400,900.22/x - Step 3: Cross multiply
1,873,673,241.07x = 2,585,580,371.31 × 1,121,400,900.22 - Step 4: Simplify right side
1,873,673,241.07x = 2,899,472,155,978,195,968 - Step 5: Solve for x
x = 2,899,472,155,978,195,968/1,873,673,241.07 - Step 6: Final answer
x = 1,547,480,154.18
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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.