Finding the Fourth Proportional to 577,370,231.70, 866,055,347.55 and 543,358,007.70
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Solution
The fourth proportional to 577,370,231.70, 866,055,347.55 and 543,358,007.70 is: 815,037,011.55
Step by Step Solution
- Step 1: Write the proportion equation
577,370,231.70 : 866,055,347.55 = 543,358,007.70 : x - Step 2: Convert to fraction form
577,370,231.70/866,055,347.55 = 543,358,007.70/x - Step 3: Cross multiply
577,370,231.70x = 866,055,347.55 × 543,358,007.70 - Step 4: Simplify right side
577,370,231.70x = 470,578,108,202,699,072 - Step 5: Solve for x
x = 470,578,108,202,699,072/577,370,231.70 - Step 6: Final answer
x = 815,037,011.55
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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.