Finding the Fourth Proportional to 2,078,306,609.63, 2,868,040,272.80 and 1,125,663,649.02
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Solution
The fourth proportional to 2,078,306,609.63, 2,868,040,272.80 and 1,125,663,649.02 is: 1,553,403,460.33
Step by Step Solution
- Step 1: Write the proportion equation
2,078,306,609.63 : 2,868,040,272.80 = 1,125,663,649.02 : x - Step 2: Convert to fraction form
2,078,306,609.63/2,868,040,272.80 = 1,125,663,649.02/x - Step 3: Cross multiply
2,078,306,609.63x = 2,868,040,272.80 × 1,125,663,649.02 - Step 4: Simplify right side
2,078,306,609.63x = 3,228,448,679,019,177,984 - Step 5: Solve for x
x = 3,228,448,679,019,177,984/2,078,306,609.63 - Step 6: Final answer
x = 1,553,403,460.33
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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.