Finding the Fourth Proportional to 1,856,483,194.91, 2,562,613,204.16 and 1,103,794,574.79
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Solution
The fourth proportional to 1,856,483,194.91, 2,562,613,204.16 and 1,103,794,574.79 is: 1,523,632,726.54
Step by Step Solution
- Step 1: Write the proportion equation
1,856,483,194.91 : 2,562,613,204.16 = 1,103,794,574.79 : x - Step 2: Convert to fraction form
1,856,483,194.91/2,562,613,204.16 = 1,103,794,574.79/x - Step 3: Cross multiply
1,856,483,194.91x = 2,562,613,204.16 × 1,103,794,574.79 - Step 4: Simplify right side
1,856,483,194.91x = 2,828,598,552,039,785,984 - Step 5: Solve for x
x = 2,828,598,552,039,785,984/1,856,483,194.91 - Step 6: Final answer
x = 1,523,632,726.54
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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.