Finding the Fourth Proportional to 1,484,334,231.67, 2,048,737,969.20 and 849,622,703.18
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Solution
The fourth proportional to 1,484,334,231.67, 2,048,737,969.20 and 849,622,703.18 is: 1,172,683,519.89
Step by Step Solution
- Step 1: Write the proportion equation
1,484,334,231.67 : 2,048,737,969.20 = 849,622,703.18 : x - Step 2: Convert to fraction form
1,484,334,231.67/2,048,737,969.20 = 849,622,703.18/x - Step 3: Cross multiply
1,484,334,231.67x = 2,048,737,969.20 × 849,622,703.18 - Step 4: Simplify right side
1,484,334,231.67x = 1,740,654,291,487,434,496 - Step 5: Solve for x
x = 1,740,654,291,487,434,496/1,484,334,231.67 - Step 6: Final answer
x = 1,172,683,519.89
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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.