Finding the Fourth Proportional to 1,266,572,505,666, 1,747,857,640,334.20 and 688,474,628,894.07
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Solution
The fourth proportional to 1,266,572,505,666, 1,747,857,640,334.20 and 688,474,628,894.07 is: 950,088,238,064.19
Step by Step Solution
- Step 1: Write the proportion equation
1,266,572,505,666 : 1,747,857,640,334.20 = 688,474,628,894.07 : x - Step 2: Convert to fraction form
1,266,572,505,666/1,747,857,640,334.20 = 688,474,628,894.07/x - Step 3: Cross multiply
1,266,572,505,666x = 1,747,857,640,334.20 × 688,474,628,894.07 - Step 4: Simplify right side
1,266,572,505,666x = 1,203,355,640,288,753,037,082,624 - Step 5: Solve for x
x = 1,203,355,640,288,753,037,082,624/1,266,572,505,666 - Step 6: Final answer
x = 950,088,238,064.19
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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.