Finding the Fourth Proportional to 1,841,564,798.70, 2,542,485,625.47 and 1,198,433,559.66
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Solution
The fourth proportional to 1,841,564,798.70, 2,542,485,625.47 and 1,198,433,559.66 is: 1,654,571,210.67
Step by Step Solution
- Step 1: Write the proportion equation
1,841,564,798.70 : 2,542,485,625.47 = 1,198,433,559.66 : x - Step 2: Convert to fraction form
1,841,564,798.70/2,542,485,625.47 = 1,198,433,559.66/x - Step 3: Cross multiply
1,841,564,798.70x = 2,542,485,625.47 × 1,198,433,559.66 - Step 4: Simplify right side
1,841,564,798.70x = 3,047,000,098,516,393,472 - Step 5: Solve for x
x = 3,047,000,098,516,393,472/1,841,564,798.70 - Step 6: Final answer
x = 1,654,571,210.67
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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.