Finding the Fourth Proportional to 2,209,203,323.42, 3,048,699,781.05 and 1,205,620,893.14
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Solution
The fourth proportional to 2,209,203,323.42, 3,048,699,781.05 and 1,205,620,893.14 is: 1,663,756,393.07
Step by Step Solution
- Step 1: Write the proportion equation
2,209,203,323.42 : 3,048,699,781.05 = 1,205,620,893.14 : x - Step 2: Convert to fraction form
2,209,203,323.42/3,048,699,781.05 = 1,205,620,893.14/x - Step 3: Cross multiply
2,209,203,323.42x = 3,048,699,781.05 × 1,205,620,893.14 - Step 4: Simplify right side
2,209,203,323.42x = 3,675,576,152,929,979,904 - Step 5: Solve for x
x = 3,675,576,152,929,979,904/2,209,203,323.42 - Step 6: Final answer
x = 1,663,756,393.07
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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.