Finding the Fourth Proportional to 2,991,303,674, 4,127,923,020.84 and 1,671,214,144.40
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Solution
The fourth proportional to 2,991,303,674, 4,127,923,020.84 and 1,671,214,144.40 is: 2,306,233,031.23
Step by Step Solution
- Step 1: Write the proportion equation
2,991,303,674 : 4,127,923,020.84 = 1,671,214,144.40 : x - Step 2: Convert to fraction form
2,991,303,674/4,127,923,020.84 = 1,671,214,144.40/x - Step 3: Cross multiply
2,991,303,674x = 4,127,923,020.84 × 1,671,214,144.40 - Step 4: Simplify right side
2,991,303,674x = 6,898,643,339,422,184,448 - Step 5: Solve for x
x = 6,898,643,339,422,184,448/2,991,303,674 - Step 6: Final answer
x = 2,306,233,031.23
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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.