Finding the Fourth Proportional to 886,667,708.68, 1,223,548,952.10 and 490,167,051.08
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Solution
The fourth proportional to 886,667,708.68, 1,223,548,952.10 and 490,167,051.08 is: 676,401,515.28
Step by Step Solution
- Step 1: Write the proportion equation
886,667,708.68 : 1,223,548,952.10 = 490,167,051.08 : x - Step 2: Convert to fraction form
886,667,708.68/1,223,548,952.10 = 490,167,051.08/x - Step 3: Cross multiply
886,667,708.68x = 1,223,548,952.10 × 490,167,051.08 - Step 4: Simplify right side
886,667,708.68x = 599,743,381,702,881,152 - Step 5: Solve for x
x = 599,743,381,702,881,152/886,667,708.68 - Step 6: Final answer
x = 676,401,515.28
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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.