Finding the Fourth Proportional to 549,932,684.74, 760,905,539.16 and 479,515,033.06
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Solution
The fourth proportional to 549,932,684.74, 760,905,539.16 and 479,515,033.06 is: 663,473,284.80
Step by Step Solution
- Step 1: Write the proportion equation
549,932,684.74 : 760,905,539.16 = 479,515,033.06 : x - Step 2: Convert to fraction form
549,932,684.74/760,905,539.16 = 479,515,033.06/x - Step 3: Cross multiply
549,932,684.74x = 760,905,539.16 × 479,515,033.06 - Step 4: Simplify right side
549,932,684.74x = 364,865,644,765,844,480 - Step 5: Solve for x
x = 364,865,644,765,844,480/549,932,684.74 - Step 6: Final answer
x = 663,473,284.80
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1.5x scale
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.