Finding the Fourth Proportional to 898,455,613.80, 1,347,683,420.70 and 252,223,357.80
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Solution
The fourth proportional to 898,455,613.80, 1,347,683,420.70 and 252,223,357.80 is: 378,335,036.70
Step by Step Solution
- Step 1: Write the proportion equation
898,455,613.80 : 1,347,683,420.70 = 252,223,357.80 : x - Step 2: Convert to fraction form
898,455,613.80/1,347,683,420.70 = 252,223,357.80/x - Step 3: Cross multiply
898,455,613.80x = 1,347,683,420.70 × 252,223,357.80 - Step 4: Simplify right side
898,455,613.80x = 339,917,237,620,344,064 - Step 5: Solve for x
x = 339,917,237,620,344,064/898,455,613.80 - Step 6: Final answer
x = 378,335,036.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.