Finding the Fourth Proportional to 1,667,823,163.36, 2,501,723,908.62 and 424,243,002.63
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Solution
The fourth proportional to 1,667,823,163.36, 2,501,723,908.62 and 424,243,002.63 is: 636,361,747.49
Step by Step Solution
- Step 1: Write the proportion equation
1,667,823,163.36 : 2,501,723,908.62 = 424,243,002.63 : x - Step 2: Convert to fraction form
1,667,823,163.36/2,501,723,908.62 = 424,243,002.63/x - Step 3: Cross multiply
1,667,823,163.36x = 2,501,723,908.62 × 424,243,002.63 - Step 4: Simplify right side
1,667,823,163.36x = 1,061,338,862,744,208,512 - Step 5: Solve for x
x = 1,061,338,862,744,208,512/1,667,823,163.36 - Step 6: Final answer
x = 636,361,747.49
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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.