Finding the Fourth Proportional to 1,040,125,031.10, 1,560,251,102.49 and 349,974,341.82
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Solution
The fourth proportional to 1,040,125,031.10, 1,560,251,102.49 and 349,974,341.82 is: 524,982,897.58
Step by Step Solution
- Step 1: Write the proportion equation
1,040,125,031.10 : 1,560,251,102.49 = 349,974,341.82 : x - Step 2: Convert to fraction form
1,040,125,031.10/1,560,251,102.49 = 349,974,341.82/x - Step 3: Cross multiply
1,040,125,031.10x = 1,560,251,102.49 × 349,974,341.82 - Step 4: Simplify right side
1,040,125,031.10x = 546,047,852,667,867,136 - Step 5: Solve for x
x = 546,047,852,667,867,136/1,040,125,031.10 - Step 6: Final answer
x = 524,982,897.58
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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.