Finding the Fourth Proportional to 898,617,743.20, 1,347,926,614.80 and 838,151,567.20
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Solution
The fourth proportional to 898,617,743.20, 1,347,926,614.80 and 838,151,567.20 is: 1,257,227,350.80
Step by Step Solution
- Step 1: Write the proportion equation
898,617,743.20 : 1,347,926,614.80 = 838,151,567.20 : x - Step 2: Convert to fraction form
898,617,743.20/1,347,926,614.80 = 838,151,567.20/x - Step 3: Cross multiply
898,617,743.20x = 1,347,926,614.80 × 838,151,567.20 - Step 4: Simplify right side
898,617,743.20x = 1,129,766,804,665,210,752 - Step 5: Solve for x
x = 1,129,766,804,665,210,752/898,617,743.20 - Step 6: Final answer
x = 1,257,227,350.80
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1.5x scale
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.