Finding the Fourth Proportional to 941,489,134.50, 1,299,266,958.54 and 518,151,538.02
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Solution
The fourth proportional to 941,489,134.50, 1,299,266,958.54 and 518,151,538.02 is: 715,055,700.80
Step by Step Solution
- Step 1: Write the proportion equation
941,489,134.50 : 1,299,266,958.54 = 518,151,538.02 : x - Step 2: Convert to fraction form
941,489,134.50/1,299,266,958.54 = 518,151,538.02/x - Step 3: Cross multiply
941,489,134.50x = 1,299,266,958.54 × 518,151,538.02 - Step 4: Simplify right side
941,489,134.50x = 673,217,172,866,068,480 - Step 5: Solve for x
x = 673,217,172,866,068,480/941,489,134.50 - Step 6: Final answer
x = 715,055,700.80
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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.