Finding the Fourth Proportional to 905,266,166.58, 1,249,278,555.24 and 548,029,213.02
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Solution
The fourth proportional to 905,266,166.58, 1,249,278,555.24 and 548,029,213.02 is: 756,287,121.67
Step by Step Solution
- Step 1: Write the proportion equation
905,266,166.58 : 1,249,278,555.24 = 548,029,213.02 : x - Step 2: Convert to fraction form
905,266,166.58/1,249,278,555.24 = 548,029,213.02/x - Step 3: Cross multiply
905,266,166.58x = 1,249,278,555.24 × 548,029,213.02 - Step 4: Simplify right side
905,266,166.58x = 684,641,143,470,939,776 - Step 5: Solve for x
x = 684,641,143,470,939,776/905,266,166.58 - Step 6: Final answer
x = 756,287,121.67
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1.5x scale
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.