Finding the Fourth Proportional to 606,642,638.27, 910,015,767.63 and 213,135,281.48
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Solution
The fourth proportional to 606,642,638.27, 910,015,767.63 and 213,135,281.48 is: 319,721,125.00
Step by Step Solution
- Step 1: Write the proportion equation
606,642,638.27 : 910,015,767.63 = 213,135,281.48 : x - Step 2: Convert to fraction form
606,642,638.27/910,015,767.63 = 213,135,281.48/x - Step 3: Cross multiply
606,642,638.27x = 910,015,767.63 × 213,135,281.48 - Step 4: Simplify right side
606,642,638.27x = 193,956,466,780,508,224 - Step 5: Solve for x
x = 193,956,466,780,508,224/606,642,638.27 - Step 6: Final answer
x = 319,721,125.00
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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.