Finding the Fourth Proportional to 886,469,743.80, 1,329,704,615.70 and 240,237,487.80
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Solution
The fourth proportional to 886,469,743.80, 1,329,704,615.70 and 240,237,487.80 is: 360,356,231.70
Step by Step Solution
- Step 1: Write the proportion equation
886,469,743.80 : 1,329,704,615.70 = 240,237,487.80 : x - Step 2: Convert to fraction form
886,469,743.80/1,329,704,615.70 = 240,237,487.80/x - Step 3: Cross multiply
886,469,743.80x = 1,329,704,615.70 × 240,237,487.80 - Step 4: Simplify right side
886,469,743.80x = 319,444,896,391,832,448 - Step 5: Solve for x
x = 319,444,896,391,832,448/886,469,743.80 - Step 6: Final answer
x = 360,356,231.70
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Similar ratio
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1.5x scale
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.