Finding the Fourth Proportional to 1,640,799,814.26, 2,264,303,854.36 and 898,243,877.01
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Solution
The fourth proportional to 1,640,799,814.26, 2,264,303,854.36 and 898,243,877.01 is: 1,239,576,610.87
Step by Step Solution
- Step 1: Write the proportion equation
1,640,799,814.26 : 2,264,303,854.36 = 898,243,877.01 : x - Step 2: Convert to fraction form
1,640,799,814.26/2,264,303,854.36 = 898,243,877.01/x - Step 3: Cross multiply
1,640,799,814.26x = 2,264,303,854.36 × 898,243,877.01 - Step 4: Simplify right side
1,640,799,814.26x = 2,033,897,072,869,012,992 - Step 5: Solve for x
x = 2,033,897,072,869,012,992/1,640,799,814.26 - Step 6: Final answer
x = 1,239,576,610.87
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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.