Finding the Fourth Proportional to 549,863,641.01, 758,806,489.84 and 298,968,029.42
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Solution
The fourth proportional to 549,863,641.01, 758,806,489.84 and 298,968,029.42 is: 412,572,980.03
Step by Step Solution
- Step 1: Write the proportion equation
549,863,641.01 : 758,806,489.84 = 298,968,029.42 : x - Step 2: Convert to fraction form
549,863,641.01/758,806,489.84 = 298,968,029.42/x - Step 3: Cross multiply
549,863,641.01x = 758,806,489.84 × 298,968,029.42 - Step 4: Simplify right side
549,863,641.01x = 226,858,880,980,469,088 - Step 5: Solve for x
x = 226,858,880,980,469,088/549,863,641.01 - Step 6: Final answer
x = 412,572,980.03
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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.