Finding the Fourth Proportional to 958,202,403.10, 1,437,303,604.65 and 412,943,937.10
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Solution
The fourth proportional to 958,202,403.10, 1,437,303,604.65 and 412,943,937.10 is: 619,415,905.65
Step by Step Solution
- Step 1: Write the proportion equation
958,202,403.10 : 1,437,303,604.65 = 412,943,937.10 : x - Step 2: Convert to fraction form
958,202,403.10/1,437,303,604.65 = 412,943,937.10/x - Step 3: Cross multiply
958,202,403.10x = 1,437,303,604.65 × 412,943,937.10 - Step 4: Simplify right side
958,202,403.10x = 593,525,809,312,192,896 - Step 5: Solve for x
x = 593,525,809,312,192,896/958,202,403.10 - Step 6: Final answer
x = 619,415,905.65
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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.