Finding the Fourth Proportional to 1,575,833,518.44, 2,174,658,799.23 and 861,370,029.54
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Solution
The fourth proportional to 1,575,833,518.44, 2,174,658,799.23 and 861,370,029.54 is: 1,188,695,310.90
Step by Step Solution
- Step 1: Write the proportion equation
1,575,833,518.44 : 2,174,658,799.23 = 861,370,029.54 : x - Step 2: Convert to fraction form
1,575,833,518.44/2,174,658,799.23 = 861,370,029.54/x - Step 3: Cross multiply
1,575,833,518.44x = 2,174,658,799.23 × 861,370,029.54 - Step 4: Simplify right side
1,575,833,518.44x = 1,873,185,914,132,165,888 - Step 5: Solve for x
x = 1,873,185,914,132,165,888/1,575,833,518.44 - Step 6: Final answer
x = 1,188,695,310.90
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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.