Finding the Fourth Proportional to 511,756,526.99, 767,637,028.52 and 162,004,302.70
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Solution
The fourth proportional to 511,756,526.99, 767,637,028.52 and 162,004,302.70 is: 243,007,162.53
Step by Step Solution
- Step 1: Write the proportion equation
511,756,526.99 : 767,637,028.52 = 162,004,302.70 : x - Step 2: Convert to fraction form
511,756,526.99/767,637,028.52 = 162,004,302.70/x - Step 3: Cross multiply
511,756,526.99x = 767,637,028.52 × 162,004,302.70 - Step 4: Simplify right side
511,756,526.99x = 124,360,501,532,082,608 - Step 5: Solve for x
x = 124,360,501,532,082,608/511,756,526.99 - Step 6: Final answer
x = 243,007,162.53
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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.