Finding the Fourth Proportional to 1,770,151,583.03, 2,442,816,986.85 and 977,204,077.99
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Solution
The fourth proportional to 1,770,151,583.03, 2,442,816,986.85 and 977,204,077.99 is: 1,348,545,934.83
Step by Step Solution
- Step 1: Write the proportion equation
1,770,151,583.03 : 2,442,816,986.85 = 977,204,077.99 : x - Step 2: Convert to fraction form
1,770,151,583.03/2,442,816,986.85 = 977,204,077.99/x - Step 3: Cross multiply
1,770,151,583.03x = 2,442,816,986.85 × 977,204,077.99 - Step 4: Simplify right side
1,770,151,583.03x = 2,387,130,721,326,957,056 - Step 5: Solve for x
x = 2,387,130,721,326,957,056/1,770,151,583.03 - Step 6: Final answer
x = 1,348,545,934.83
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1.5x scale
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.