Finding the Fourth Proportional to 692,656,985.07, 955,854,824.99 and 375,114,651.75
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Solution
The fourth proportional to 692,656,985.07, 955,854,824.99 and 375,114,651.75 is: 517,651,821.21
Step by Step Solution
- Step 1: Write the proportion equation
692,656,985.07 : 955,854,824.99 = 375,114,651.75 : x - Step 2: Convert to fraction form
692,656,985.07/955,854,824.99 = 375,114,651.75/x - Step 3: Cross multiply
692,656,985.07x = 955,854,824.99 × 375,114,651.75 - Step 4: Simplify right side
692,656,985.07x = 358,555,149,797,805,504 - Step 5: Solve for x
x = 358,555,149,797,805,504/692,656,985.07 - Step 6: Final answer
x = 517,651,821.21
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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.