Finding the Fourth Proportional to 1,948,507,442.92, 2,686,339,072.74 and 1,547,950,238.44
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Solution
The fourth proportional to 1,948,507,442.92, 2,686,339,072.74 and 1,547,950,238.44 is: 2,134,104,862.31
Step by Step Solution
- Step 1: Write the proportion equation
1,948,507,442.92 : 2,686,339,072.74 = 1,547,950,238.44 : x - Step 2: Convert to fraction form
1,948,507,442.92/2,686,339,072.74 = 1,547,950,238.44/x - Step 3: Cross multiply
1,948,507,442.92x = 2,686,339,072.74 × 1,547,950,238.44 - Step 4: Simplify right side
1,948,507,442.92x = 4,158,319,208,178,571,264 - Step 5: Solve for x
x = 4,158,319,208,178,571,264/1,948,507,442.92 - Step 6: Final answer
x = 2,134,104,862.31
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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.