Finding the Fourth Proportional to 649,614,613.76, 974,032,775.48 and 206,765,993.06
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Solution
The fourth proportional to 649,614,613.76, 974,032,775.48 and 206,765,993.06 is: 310,025,128.48
Step by Step Solution
- Step 1: Write the proportion equation
649,614,613.76 : 974,032,775.48 = 206,765,993.06 : x - Step 2: Convert to fraction form
649,614,613.76/974,032,775.48 = 206,765,993.06/x - Step 3: Cross multiply
649,614,613.76x = 974,032,775.48 × 206,765,993.06 - Step 4: Simplify right side
649,614,613.76x = 201,396,854,095,110,240 - Step 5: Solve for x
x = 201,396,854,095,110,240/649,614,613.76 - Step 6: Final answer
x = 310,025,128.48
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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.