Finding the Fourth Proportional to 898,403,467.80, 1,347,605,201.70 and 414,674,059.80
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Solution
The fourth proportional to 898,403,467.80, 1,347,605,201.70 and 414,674,059.80 is: 622,011,089.70
Step by Step Solution
- Step 1: Write the proportion equation
898,403,467.80 : 1,347,605,201.70 = 414,674,059.80 : x - Step 2: Convert to fraction form
898,403,467.80/1,347,605,201.70 = 414,674,059.80/x - Step 3: Cross multiply
898,403,467.80x = 1,347,605,201.70 × 414,674,059.80 - Step 4: Simplify right side
898,403,467.80x = 558,816,919,996,536,896 - Step 5: Solve for x
x = 558,816,919,996,536,896/898,403,467.80 - Step 6: Final answer
x = 622,011,089.70
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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.