Finding the Fourth Proportional to 1,667,823,162.36, 2,501,723,907.12 and 424,243,001.63
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Solution
The fourth proportional to 1,667,823,162.36, 2,501,723,907.12 and 424,243,001.63 is: 636,361,745.99
Step by Step Solution
- Step 1: Write the proportion equation
1,667,823,162.36 : 2,501,723,907.12 = 424,243,001.63 : x - Step 2: Convert to fraction form
1,667,823,162.36/2,501,723,907.12 = 424,243,001.63/x - Step 3: Cross multiply
1,667,823,162.36x = 2,501,723,907.12 × 424,243,001.63 - Step 4: Simplify right side
1,667,823,162.36x = 1,061,338,859,606,120,064 - Step 5: Solve for x
x = 1,061,338,859,606,120,064/1,667,823,162.36 - Step 6: Final answer
x = 636,361,745.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.