Finding the Fourth Proportional to 450,191,698.98, 675,321,605.96 and 139,330,756.09
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Solution
The fourth proportional to 450,191,698.98, 675,321,605.96 and 139,330,756.09 is: 209,006,674.66
Step by Step Solution
- Step 1: Write the proportion equation
450,191,698.98 : 675,321,605.96 = 139,330,756.09 : x - Step 2: Convert to fraction form
450,191,698.98/675,321,605.96 = 139,330,756.09/x - Step 3: Cross multiply
450,191,698.98x = 675,321,605.96 × 139,330,756.09 - Step 4: Simplify right side
450,191,698.98x = 94,093,069,962,319,856 - Step 5: Solve for x
x = 94,093,069,962,319,856/450,191,698.98 - Step 6: Final answer
x = 209,006,674.66
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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.