Finding the Fourth Proportional to 1,541,481,440.08, 2,126,879,791.29 and 872,426,484.71
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Solution
The fourth proportional to 1,541,481,440.08, 2,126,879,791.29 and 872,426,484.71 is: 1,203,742,199.85
Step by Step Solution
- Step 1: Write the proportion equation
1,541,481,440.08 : 2,126,879,791.29 = 872,426,484.71 : x - Step 2: Convert to fraction form
1,541,481,440.08/2,126,879,791.29 = 872,426,484.71/x - Step 3: Cross multiply
1,541,481,440.08x = 2,126,879,791.29 × 872,426,484.71 - Step 4: Simplify right side
1,541,481,440.08x = 1,855,546,259,711,511,296 - Step 5: Solve for x
x = 1,855,546,259,711,511,296/1,541,481,440.08 - Step 6: Final answer
x = 1,203,742,199.85
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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.