Finding the Fourth Proportional to 870,950,529.56, 1,201,909,626.50 and 474,476,777.08
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Solution
The fourth proportional to 870,950,529.56, 1,201,909,626.50 and 474,476,777.08 is: 654,776,805.99
Step by Step Solution
- Step 1: Write the proportion equation
870,950,529.56 : 1,201,909,626.50 = 474,476,777.08 : x - Step 2: Convert to fraction form
870,950,529.56/1,201,909,626.50 = 474,476,777.08/x - Step 3: Cross multiply
870,950,529.56x = 1,201,909,626.50 × 474,476,777.08 - Step 4: Simplify right side
870,950,529.56x = 570,278,205,923,146,560 - Step 5: Solve for x
x = 570,278,205,923,146,560/870,950,529.56 - Step 6: Final answer
x = 654,776,805.99
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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.