Finding the Fourth Proportional to 6,377,187,515.20, 9,567,292,927.20 and 3,272,249,377.60
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Solution
The fourth proportional to 6,377,187,515.20, 9,567,292,927.20 and 3,272,249,377.60 is: 4,909,149,723.41
Step by Step Solution
- Step 1: Write the proportion equation
6,377,187,515.20 : 9,567,292,927.20 = 3,272,249,377.60 : x - Step 2: Convert to fraction form
6,377,187,515.20/9,567,292,927.20 = 3,272,249,377.60/x - Step 3: Cross multiply
6,377,187,515.20x = 9,567,292,927.20 × 3,272,249,377.60 - Step 4: Simplify right side
6,377,187,515.20x = 31,306,568,326,347,083,776 - Step 5: Solve for x
x = 31,306,568,326,347,083,776/6,377,187,515.20 - Step 6: Final answer
x = 4,909,149,723.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.