Finding the Fourth Proportional to 1,015,148,649.49, 1,521,648,265.41 and 341,462,405.48
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Solution
The fourth proportional to 1,015,148,649.49, 1,521,648,265.41 and 341,462,405.48 is: 511,832,111.74
Step by Step Solution
- Step 1: Write the proportion equation
1,015,148,649.49 : 1,521,648,265.41 = 341,462,405.48 : x - Step 2: Convert to fraction form
1,015,148,649.49/1,521,648,265.41 = 341,462,405.48/x - Step 3: Cross multiply
1,015,148,649.49x = 1,521,648,265.41 × 341,462,405.48 - Step 4: Simplify right side
1,015,148,649.49x = 519,585,676,995,323,008 - Step 5: Solve for x
x = 519,585,676,995,323,008/1,015,148,649.49 - Step 6: Final answer
x = 511,832,111.74
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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.