Finding the Fourth Proportional to 1,873,673,240.07, 2,585,580,369.93 and 1,121,400,899.22
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Solution
The fourth proportional to 1,873,673,240.07, 2,585,580,369.93 and 1,121,400,899.22 is: 1,547,480,152.80
Step by Step Solution
- Step 1: Write the proportion equation
1,873,673,240.07 : 2,585,580,369.93 = 1,121,400,899.22 : x - Step 2: Convert to fraction form
1,873,673,240.07/2,585,580,369.93 = 1,121,400,899.22/x - Step 3: Cross multiply
1,873,673,240.07x = 2,585,580,369.93 × 1,121,400,899.22 - Step 4: Simplify right side
1,873,673,240.07x = 2,899,472,151,845,082,112 - Step 5: Solve for x
x = 2,899,472,151,845,082,112/1,873,673,240.07 - Step 6: Final answer
x = 1,547,480,152.80
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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.