Finding the Fourth Proportional to 915,558,555.84, 1,263,504,033.12 and 524,493,562.56
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Solution
The fourth proportional to 915,558,555.84, 1,263,504,033.12 and 524,493,562.56 is: 723,820,150.46
Step by Step Solution
- Step 1: Write the proportion equation
915,558,555.84 : 1,263,504,033.12 = 524,493,562.56 : x - Step 2: Convert to fraction form
915,558,555.84/1,263,504,033.12 = 524,493,562.56/x - Step 3: Cross multiply
915,558,555.84x = 1,263,504,033.12 × 524,493,562.56 - Step 4: Simplify right side
915,558,555.84x = 662,699,731,640,036,992 - Step 5: Solve for x
x = 662,699,731,640,036,992/915,558,555.84 - Step 6: Final answer
x = 723,820,150.46
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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.